Sunday

January 22, 2017
Number of results: 77,335

**Math**

Three friends drove radio controlled cars around a track. The table below shows the number of laps completed by each person and the time it took. Latoya Mary Melissa Number of laps 9 30 20 Time (minutes) 3 6 5 Write the number of laps completed per minute for each person. Then...

*December 20, 2016 by Rain*

**ECONOMICS**

What would be the risks and benefits of a young healthy person choosing a managed care plan What would be the risks and benefits of an older person with a chronic disease selecting a managed care plan?

*January 3, 2011 by linda*

**Health**

What are eating disorders? A. An illness that causes serious disturbances to a person’s everyday diet B. An illness that leads to binging C. An illness that causes little disturbance to a person’s everyday diet D. An illness that leads to starvation A?

*October 20, 2014 by Night*

**a person stands on a bathroom scale that rest on t**

a person stands on a bathroom scale that rest on the floor of an elevvator. when the elivetor is stationary the scale registers 50kg. when the lift acclelerates up ward the scle registers 60kg .taking g=10m/s^2, the best estimate acceleration of the lift is ;

*February 4, 2013 by bb*

**Physics**

A car traveling at a constant speed of 125 km/hr passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets in a chase after the car with a constant acceleration of 2.7 m/s^2. How far does the trooper travel before he ...

*January 13, 2008 by Lindsay*

**physics**

a rock is dropped from a height of 20m above the ground when it hits the ground it leaves a hole 10cm deep. With what speed does the rock hit the ground, what is the magnitude of the rock's deceleration after it hits the ground

*July 25, 2016 by steve*

**physics**

a rock is dropped from a height of 20m above the ground when it hits the ground it leaves a hole 10cm deep with what speed does the rock hit the ground, and what is the magnitude of the rock's deceleration after it hits the ground

*July 28, 2016 by kevin*

**Gen 105**

What sentence is nonagist We should hire a young person who knows more about technology. We should hire a person who knows more about technology.

*October 28, 2008 by Millie*

**principles of physics**

7. If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.

*February 19, 2012 by britches*

**physics**

1. A billiard ball of mass mA = 0.4 kg moving with a speed vA = 2 m/s strikes a second ball, initially at rest, of mass mB = 0.4 kg. As a result of the collision, the first ball is deflected off at an angle of 30.0o with a speed v’A = 1.2 m/s. Taking the xaxis to be the ...

*January 7, 2015 by Jesse*

**Biomechanics**

Two ice skaters start out motionless in the center of an ice rink. They then push each other apart. The first skater (mass = 80 kg) moves to the right with a velocity of 2.5 m/s. The second skater (mass = 58 kg) moves to the left at some unknown speed. If we assume that the ...

*April 6, 2014 by Brendan*

**Physics**

A crate with a total mass of 18.0 kg is pulled by a person along the floor at a constant speed by a rope. The rope is inclined at 20 degree above the horizontal, and the crate moves 20.0 m on a horizontal surface. The coefficient of kinetic friction between the floor and the ...

*August 8, 2013 by Anonymous*

**Algebra**

A pollster conducts a survey by phone. The probability that a call does not result in a person taking this survey is 85%. What is the probability that the pollster makes 4 calls and none result in a person taking this survey?

*May 16, 2014 by Anonymous*

**English**

Noun means a person,place thing or idea. List 3 things for each. Person: teacher,doctor,nurse Place: park,school,store Thing: pen,notebook,book Idea: I need help with the idea Please help Thank you! idea: Peace, tranquility, hope, love, hatred. Ideas might be beauty, ...

*December 18, 2006 by Muskan*

**physics**

A quarterback throws the football to a stationary receiver who is 22.7m down the field. the football is thrown at an initial angle of 39 degrees to the ground. The acceleration of gravity is 9.81m/s^2. a) at what initial speed must the quarterback throw the ball for it to ...

*November 6, 2014 by allan*

**Math, check my answer. thanks**

Consider the following students’ methods of solving the Proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2 Then I multiplied by 5 and got 12 ½ for my answer. Martha: I think of it this way. Every time a person...

*September 15, 2009 by Christy*

**CALCULUS HELP NEEDED ASAP!**

Having a lot of trouble with this one: Q) Tidal volume is the volume of air displaced in the lungs between inhalation and exhalation (the amount of air in a breath). The residual volume is given by the remaining in the lungs even after the deepest exhalation (ie the minimum ...

*October 8, 2014 by Anonymous*

**Physics**

Hail forms high in the atmosphere and can be accelerated to a high speed before it reaches the ground. Estimate the terminal speed of a spherical hailstone that has a diameter of 2.8 cm. Hint: The mass of a piece of hail that has a volume of 1 cm3 is about 1 g.

*January 23, 2016 by Kirsten*

**Physics**

A plane is flying horizontally with speed 193 m/s at a height 2010 m above the ground, when a package is dropped from the plane.The acceleration of gravity is 9.8 m/s^2. 1.What is the horizontal distance from the release point to the impact point? Answer in units of m. 2.A ...

*September 9, 2015 by Anonymous*

**Physics**

a twin engine plane flies due south with an air speed of 335km/h. There is a wind blowing at 75km/h to the east relatve to the ground. what are the plane's speed and direction relative to the ground

*October 19, 2016 by Daniel*

**Physics**

A person walks the path shown below. The total trip consists of four straight-line paths. Path 1 is 30.0 m due east. Path 2 is 200.0 m due south. Path 3 is 140.0 m 30.0° south of west. Path 4 is 170.0 m 60.0° north of west. At the end of the walk, what is the person's ...

*November 1, 2012 by Mel*

**trigonometry**

From a window 20m above the ground, a person could see the top of the house across the street at an angle of elevation of 5 degrees. The angle of depression to the base of the house was 15 degrees. What is the height of the house?

*January 25, 2016 by alec*

**Calculus**

this homework is due in one hour and i have no idea how to answer these questions. 1. A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 20 ft/s^2. What is the distance covered before the car comes to a stop? 2. A stone is ...

*November 16, 2011 by Sam*

**math**

In a recent, a single person could expect to pay $3400 in income taxes on an adjusted gross income of $34000. How much more tax should the person expect to pay if her adjusted gross income increased by $4000, knowing that this would not move her into the higher tax bracket

*January 9, 2017 by mike*

**Physics**

A person walks 8.4522x10^1 m East, then turns around and walks 7.8409x10^1 m West. The total time to walk this distance was 8.7343x10^2 s. What is the speed of the walker, expressed to 3 significant figures?

*October 13, 2010 by shannon*

**Physics**

From the top of a tower is an object with mass 25 kg is lowered at constant speed, 4 m / s with a rope to the ground. After 10 seconds of the rope breaks, and the object falls freely. From the moment (the rope breaks) there are 12 seconds to those standing on top of the tower ...

*October 18, 2010 by Oddbjørn*

**college physics**

From what maximum height can a 61 kg person jump without breaking the lower leg bone of either leg? Ignore air resistance and assume the CM of the person moves a distance of 0.65 m from the standing to the seated position (that is, in breaking the fall). Assume the breaking ...

*March 14, 2010 by Anonymous*

**PHYSICS**

A person holds a ladder horizontally at its center. Treating the ladder as a uniform rod of length 2.65 m and mass 6.84 kg, find the torque the person must exert on the ladder to give it an angular acceleration of 0.301 rad/s2 We tried T = mr^2(alpha), but that was wrong. We ...

*June 4, 2007 by MJ*

**PHYSICS!!**

(a) Suppose 10 astronauts are sent to Mars and then back to Earth. The average power usage of each astronaut is 10,000,000 joules per day. What is the average power usage of each astronaut in watts and horsepower? (b) It will take approximately 2 years for the astronauts to ...

*April 11, 2016 by tom*

**PHYSICS HELP!!**

(a) Suppose 10 astronauts are sent to Mars and then back to Earth. The average power usage of each astronaut is 10,000,000 joules per day. What is the average power usage of each astronaut in watts and horsepower? (b) It will take approximately 2 years for the astronauts to ...

*April 11, 2016 by Ben*

**psychology**

The following table describes five situations in which a person reacts to stress in an unhealthy manner. For each: a. identify the stressor(s). b. briefly explain why the person's reaction is an unhealthy choice. c. briefly describe one healthy alternative way of reacting and ...

*October 8, 2008 by ann*

**Ms. Sue**

Dear Ms. Sue, I want to thank you. You have been a great help to many people. You offer great advice. You have touched the lives of many people. You are truly a magnificent person. I honestly hope you live the rest of your life in happiness and bliss. A near perfect person ...

*October 17, 2011 by Forever Greatful*

**physics**

A 41.0-kg body is moving in the direction of the positive x axis with a speed of 306 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 8.0 kg, moves away from the point of explosion with a speed of 326 m/s along the positive y axis...

*March 24, 2014 by Tsion*

**physics**

a cannon with a mass of 1200 kilograms is positioned at the edge of a cliff where it fires a 100 kilogram cannonball horizontally. The cannonballs initial speed is 35 meters per second. What is the recoil of speed of the cannon.

*April 4, 2013 by lauren*

**math/ CIRCUMFERENCE of a circle**

A person has a measuring wheel that records the distance the wheel is rolled along the ground. The circumference of the wheel is one yard. If the wheel is pushed half a mile, how many times will the wheel go around (1mi=5280 ft)?

*January 24, 2011 by Suzanne*

**math/ CIRCUMFERENCE of a circle**

A person has a measuring wheel that records the distance the wheel is rolled along the ground. The circumference of the wheel is one yard. If the wheel is pushed half a mile, how many times will the wheel go around (1mi=5280 ft)?

*January 24, 2011 by Suzanne*

**Physics**

A grenade is thrown from a trench that is 10 meters below groud level. The soldier throws the grenade at a velocity of 30 m/s at an angle of 60 degrees above the horizontal. Determine the horizontal distance the grenade will fly before it hits the ground, and the magnitude and...

*September 24, 2011 by Clare*

**statistics**

A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general is 0 and the standard...

*April 16, 2009 by Mary*

**statistics**

A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general is 0 and the standard...

*June 29, 2009 by Gregory*

**Physics**

On a frozen pond, a person kicks a 10.0 kg sled, giving it an initial speed of 12.2 m/s. How far does the sled move if the coefficient of kinetic friction between the sled and the ice is .10?

*December 11, 2009 by Nicole*

**Maths**

ash catches a train at 10:00, then travels for 200 miles at an average speed of 100 mph. what time does he finish at

*October 10, 2015 by Oscar*

**gen physics**

A 152 kg boat is at rest in a calm lake at the end of a dock. A 85.6 kg person running down the dock leaps into the boat with a horizontal velocity of 4.58 m/s. Ignore all effects of friction and resistance due to the water. a) Find the kinetic energy of the person before ...

*July 11, 2013 by rodney*

**FACS - Reading Assignment (Q2) Check**

3. Explain - Why are foods-lab tasks moved from one person to another? Answer - The reason why are foods-lab tasks moved from one person to another is because when team members work together to complete tasks in the school foods lab, the whole group benefits. am i correct?????

*April 22, 2012 by Laruen*

**math**

A baseball player hits a bakk that has the path of a parabola. It is at its highest point at second base which is 127 ft. from home plate. How far is the outfielder who catches the ball?

*December 2, 2011 by Eric*

**Physics**

The drawing shows a person (weight W = 592 N, L1 = 0.841 m, L2 = 0.410 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N I post this eailer and O'm ...

*April 4, 2008 by Robinson*

**Physics**

A 4-person bobsled team pushes the 330 kg sled down the 6.0 degree hill with a force of 1780 N. The coefficient of friction for ice and the runner is 0.135. How fast will the sled be moving at the end of the 40m push? Answer is in meters/second

*April 9, 2015 by Ashleigh*

**3rd grade math**

We have figured out answer BUT we cant figure out the steps to get it During gym class, the teacher gave students a number as they stood in line she counted 1, 2 and 3 then 1, 2 and 3 ...... What number did 22 second person get?

*November 30, 2011 by daniel's mom*

**math 3rd grade**

We have figured out answer 1 BUT we cant figure out the steps to get it During gym class, the teacher gave students a number as they stood in line she counted 1, 2 and 3 then 1, 2 and 3 ...... What number did 22 second person get?

*November 30, 2011 by daniel's mom*

**Physics**

A car of mass 1200kg starts from rest, accelerates uniformly to a speed of 4.0 meters per second in 2.0 seconds and continues moving at this constant speed in a horizontal straight line for an additional 10 seconds. the brakes are then applied and the car is brought to rest in...

*December 4, 2012 by Ken*

**maths**

Let the bottom edge of a rectangular mirror on a vertical wall be parallel to and h feet above the level floor. If a person with eyes t feet above the floor is standing direct at a distance d feet from the mirror, what is the relationship among h,d and t if the person can just...

*March 23, 2013 by black_widow*

**physics**

Its 80 kilometers from point A to point B. Someone travels at an average speed of 40 kilometers per day and takes a negligible amount of time at point B to turn around to head back to point A. At what average speed must the person travel back to point A so that for the entire ...

*January 29, 2012 by Anonymous*

**Physics HELP!!!!!!!!**

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed and centripetal acceleration of a person situated ...

*April 3, 2007 by Mary*

**Physics**

A person walks the path shown below. The total trip consists of four straight-line paths. Path 1 is 40.0 m due east. Path 2 is 170.0 m due south. Path 3 is 120.0 m 30.0° south of west. Path 4 is 190.0 m 60.0° north of west. At the end of the walk, what is the person's ...

*September 17, 2012 by David*

**physics**

Q:the lion chasing the monkey at speed of 5m/s and speed of monkey is 3 m/s the distance b/w them is 25m after how much distance it catches the monkey?

*July 31, 2015 by unknown*

**English Expression**

When we answer the praise or the favorable word of the other person, we can use this expression, "I'm glad you like it." When we express an opinion that an item is great, we can use this expression, "To me, this is the best watch in the world!" We can use this expression when ...

*May 16, 2008 by John*

**physics**

A tractor T is pulling two trailers, M1 and M2, with a constant acceleration. T has a mass of 200 kg, M1 has a mass of 100 kg, and M2 has a mass of 150 kg. If the forward acceleration is 0.60 m/s2, then the horizontal force on the tractor due to the attachment to M1 is ?

*October 5, 2011 by wahida*

**Math**

My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how many minutes does the...

*September 27, 2006 by SherylA*

**Math**

A row of seats in a stadium has 100 seats. If 12 people sit in a row so that there are 2 empty seats between any person and the next person, how many empty seats in the rpw are not between the two end people?

*July 5, 2011 by Michelle*

**Word Problem**

If one person can finish mowing a field in 4 hours and another person can finish mowing a field in 8 hours. How long do you think it'll take to finish mowing the field if they work together?

*September 16, 2009 by Sean*

**Physics**

A 0.495-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 33.3 cm from equilibrium, and then the mass is released from rest. Find the speed of the mass when it has moved 4.79 cm? Find the maximum...

*February 22, 2012 by Bradley*

**Writing**

I'm Writing a Discursive Essay on the topic "is it more difficult to be a young person today then it was 50years ago", I have these main points: "we have technology but its brought us media pressue" "Better education system but with more pressue to succed" "Medical ...

*February 19, 2012 by Nina*

**physic**

A 5.0 kg mass is dropped from the Leaning Tower of Pisa. It takes 16 seconds to reach the ground. A 10 kg mass would take how long to reach the ground?

*May 17, 2013 by Please answer this question as soon as posibble*

**physics**

A gun is fired in the air a distance of 900 m from a person. He hears the sound of the gun after 3 seconds. What is the speed of sound?

*October 18, 2010 by Shambhavi*

**G.c.c.mkd physics**

A 5kg mass is dropped from a height of 30m above the ground. Determine the velocity of the mass when it is 18n above the ground take = 10m/s2

*November 10, 2011 by Wisdom*

**English Expression**

Posted by John on Monday, May 19, 2008 at 3:47pm. Using each card in Group A and Group B, let's play the "Making a Suitable Sentence" Game. John and she are the third person singular, so they take the third person singular present form. Look at the expressions in Group B. Look...

*May 20, 2008 by John*

**Math**

A person travels 32 meters,turns right & travels 34 more meters. It took 3 minutes. What is her speed?

*February 20, 2012 by HELP!!!*

**math**

A girl stands on the edge of her dorm roof and throws a ball into the air. The ball's height above the ground after t seconds is given by h equals negative 16 t squared plus 64 t plus 80h=−16t2+64t+80. When will the ball hit the ground?

*October 14, 2016 by lem*

**Physics**

A bead of mass m = 33.5 kg is released from point A which is located 5 m above the ground and slides on a frictionless track. Determine the bead's speed when it reaches point C which is located 2.0 m above the ground.

*March 12, 2014 by Monica*

**I NEED HELP!!!!!MATH!!!**

A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60° with the horizontal (see the figure). Approximate the height of the kite above level ground if 700 feet of string is payed out. (Round your answer to ...

*September 28, 2011 by STEPHANIE*

**Probability**

Each one of n persons, indexed by 1,2,…,n, has a clean hat and throws it into a box. The persons then pick hats from the box, at random. Every assignment of the hats to the persons is equally likely. In an equivalent model, each person picks a hat, one at a time, in the ...

*February 20, 2015 by qwerty*

**Stat**

Of the 64 people who answered "yes" to a question, 6 were male. Of the 70 people that answered "no" to the question, 8 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?

*April 7, 2016 by Anonymous*

**Math**

the 64 people who answered "yes" to a question, 6 were male. Of the 70 people that answered "no" to the question, 8 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?

*April 11, 2016 by Help*

**physics**

A firework rocket is launched vertically from rest and loses 60% of its mass during a burn time of 4 seconds. What is the final speed of the rocket relative to the ground (in m/s) when the gas relative to the rocket has a speed v= 80 m/s? a. 15 m/s; b. 34 m/s; c. 68 m/s; d. ...

*December 29, 2013 by Ken*

**College Physics - Weight**

A planet has a mass of 7.93 × 1023 kg and a radius of 2.58 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 67.0-kg person weigh on this planet?

*March 14, 2012 by Anonymous*

**Physics**

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...

*April 1, 2014 by Patricia*

**Physics**

A person walks first at a constant speed of 4.70 m/s along a straight line from point A to point B and then back along the line from B to A at a constant speed of 2.80 m/s. (a) What is her average speed over the entire trip? (b) What is her average velocity over the entire ...

*October 8, 2009 by Zoe*

**second persons narrative**

there are 2 opthion of second person narrative in my wxam i chose the first one .. but want to make ure if i am right, you become lost in labyrnith of lies he was lost in labrinth of lies. question 2 my son's peaches are ready for harvest. the peaches are ready for harvest ...

*November 24, 2011 by Anonymous*

**Physics**

A 96.4-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 1.86 m/s2, (b) moving upward at a constant speed

*September 29, 2016 by BrookeNeed*

**physics**

A car moving with an initial speed v collides with a second stationary car that is 46.0 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 37.7 percent of the original speed. Calculate the final speed of the second...

*March 24, 2014 by Sami*

**physics**

The pendulum shown right has a mass of 0.26 kg and moves to the right from point B to point A. At point B the speed of the mass is 3.2 m/s. (i) What is the change in the gravitational potential energy in the motion from B to A? (ii) What is the mass speed at point A? (iii) If...

*March 8, 2013 by Meder*

**Physics**

A rock is thrown downward from an unknown height above the ground with an initial speed of 28 m/s. It strikes the ground 4.4 s later. Determine the initial height of the rock above the ground. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m 014 10.0 points An ...

*October 8, 2014 by Bill Nye*

**sciecne**

An airplane is being floen at 1500km/h at 100m above level ground. The ground began to rise up at 10 degrees. How much time does the pilot have to madke correction such that the plane doesn't hit the ground? the part where the ground is rised to 10 degrees confuses me. You ...

*September 19, 2006 by Christina*

**Physics**

PLEASE HELP! this is do tomorrow :( I have no clue how to do any of it. A plane is flying horizontally with speed 193 m/s at a height 2010 m above the ground, when a package is dropped from the plane.The acceleration of gravity is 9.8 m/s^2. 1.What is the horizontal distance ...

*September 9, 2015 by Lucy*

**physics**

A stone with a weight of 5.38 N is launched vertically from ground level with an initial speed of 25.0 m/s, and the air drag on it is 0.269 N throughout the flight. What are (a) the maximum height reached by the stone and (b) its speed just before it hits the ground

*November 29, 2010 by kate*

**Physics**

A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 36.0 m above the ground. The projectile strikes the ground with a speed of 1.3v0. Find v0. (Ignore any effects due to air resistance.) HELP NEEDED!!!

*September 12, 2012 by Lulu*

**physics**

One of the tenets of the pseudoscience (i.e., "false science") of astrology is that, in some mysterious way, the positions of the planets at the time of a person's birth somehow influence the characteristics of that person. To see if this proposition seems plausible, let us ...

*February 22, 2011 by andrea*

**Math**

A truck tire with a diameter of 36 in is rolling over level ground spinning at 11 rotations/second. If the speed limit is 55 miles per hour and the penalty is $20 per hour over the speed limit, should the driver be fined and if so, how much?

*August 26, 2012 by KC*

**physics**

Consider a map oriented sot hat the x axis runs east-west (with east being "positive" direction) and y runs north-south (with north "positive"). A person drives 35 km to the west, then turns and drives 44 km to the south. Find the x and y components of the total movement of ...

*September 1, 2010 by judith*

**math**

A person can type 15 words in 1/4 of a minute. What is his average typing speed in words per minute?

*May 16, 2011 by Stormy*

**chemistry**

The typical person needs a 2000 calorie diet to sustain “normal” activity. Nowadays, a lot of the energy in American diet comes from fats and sugars. Assume that “fats” provide 9.0 calories per gram and sugars (treat as glucose) provide 4.5 calories per gram. If your...

*September 13, 2014 by Ashley*

**English - Native speakers**

Hello! How do you call a person who checks if passengers in buses or trains have tickets? It is not a conductor right? Conductor is a person who conducts an orchestra. Another question: How do you call the woman who is helping a woman to give birth? and do you say indefinite ...

*March 31, 2011 by Mark*

**Psychology**

A physiological support of hypnosis as a different state of consciousness is: A. rapid eye movement initiated when a person is hypnotized. B. a change in the electrical activity of the brain in hypnosis. C. the sense of time removed. D. reaction time slows down A. rapid eye ...

*May 21, 2013 by Angela*

**Math**

There were 20 at a round table at dinner, each of whom shook hands with the person on his or her immediate right and left.At the end of dinner, each person got up and shook hands with everybody except the people who sat to his or her immediate right or left at dinner.Find the ...

*December 13, 2016 by Ellie*

**college trig**

From a point on the ground a person notices that a 110-ft tree on top of a hill subtends an angle of 3°. If the angle of elevation to the bottom of the tree, represented by angle A in the figure below, measures 37°, find the height h of the hill

*March 26, 2010 by smith*

**math**

rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the starting position ...

*May 22, 2016 by arini sofia*

**math**

rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the starting position ...

*May 22, 2016 by arini sofia*

**physics**

1. An electric pump, used to obtain water from 20 metres below the ground, is marked 5000W. a) If the pump operates as rated, how much energy is used to pump water every second? b) Describe the energy conversions that take place when the pump is used. c) What is the maximum ...

*April 6, 2015 by Jeffrey*

**physics**

1. An electric pump, used to obtain water from 20 metres below the ground, is marked 5000W. a) If the pump operates as rated, how much energy is used to pump water every second? b) Describe the energy conversions that take place when the pump is used. c) What is the maximum ...

*April 6, 2015 by Bafana*

**College Physics**

A students stands at the top of a high vertical cliff and throws calculators into the sea. He throws the calculators horizontally with a speed of 7.4 m/s and observes that each reaches the water below 3.7 s after the release. Neglect air resistance and find (a) How far from ...

*October 10, 2011 by Stephanie*

**physics**

A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.100 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0....

*December 25, 2009 by Heart*