# A 66.0 kg person throws a 0.0420 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 55.0 kg, catches the snowball.

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**Physics HELP!**

A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on level ground. What is the...

**physics**

A crate of mass 59.3 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.357, and the coefficient of kinetic friction is 0.304. (a) The truck accelerates forward on level ground. What is the...

**physics**

A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x 10^30 kg. (c) What is ...

**physics**

A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x 10^30 kg. (c) What is ...

**physics**

A railway flat car is rushing along a level frictionless track at a speed of 45m/s. Mounted on the car and aimed forward is a cannon that fires 65 kg cannon balls with a muzzle speed of 625m/s. The total mass of the car, the cannon, and the large supply of cannon balls on the ...

**physics**

A railway flat car is rushing along a level frictionless track at a speed of 45m/s. Mounted on the car and aimed forward is a cannon that fires 65 kg cannon balls with a muzzle speed of 625m/s. The total mass of the car, the cannon, and the large supply of cannon balls on the ...

**pop**

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.

**Physics**

Standing on the surface of a small spherical moon whose radius is 6.30 104 m and whose mass is 8.00 1018 kg, an astronaut throws a rock of mass 2.02 kg straight upward with an initial speed 42.2 m/s. (This moon is too small to have an atmosphere.) What maximum height above the...

**Math**

One thousand people stood in a very large circle. Each starting with the Jennifer Lopez look alike, wore a sign on his or her back with a numeral from 1 to 1000 in a clockwise sequence. They began counting off. The Jennifer Lopez look alike said one in and remained in the ...

**Calculus**

An airplane is heading at a bearing of N23°E at a speed of 700 km/hr, but there is a wind blowing from the west at 60 km/hr. If the plane does not make any correction, what will be the bearing of the plane? What is its speed relative to the ground (ground speed = airspeed + ...

**physics**

A rock is thrown horizontally with a speed of 5.9 m/s from a height of 63.5 meters from the ground below. With what vertical speed does the rock hit the ground?

**PHYSICS**

a child is pulled on a sled across a snow-covered yard. the combined mass of the child and the sled is 35 kg. the angle that the rope pulling the sled makes with the horizontal is 34 degrees. the person pulling on the rope applies a force of 182 N. given that the coefficient ...

**Physics**

When a gun (3 kg) shoots a bullet (.025 kg), the bullet goes forward and the gun recoils backward. Which of the following statements is true? Select one: a. The force pushing the gun backwards is smaller than the force pushing the bullet forward. b. Both objects accelerate at ...

**English H**

Tenor and Grounds for "Oh captain my captain" by walt Whitman Tenor: Lincoln Ground: Leader who was directing the nation forward tenor: U.S. Ground: U.s. is tightly run, cooperative, purposeful, and needs a captain what are some others I can use I need at least 5 more

**Psychology**

Need help asap! Regarding schizophrenia, which of the following statements is FALSE? I think the answer is A a. Schizophrenia involves a "split personality," in which a person has two distinct personalities, one normal and one abnormal. b. One person in 100 has schizophrenia ...

**Physics URGENT!!!**

A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on level ground. What is the...

**physics**

A body of mass 10 kg moving at a speed of 4 m/s collides with another body of mass 4 kg at rest. After collision, if the speed of the body of 4kg mass be 5 m/s, the speed of body of 10kg mass shall be?

**Physics**

A mass is being pulled forward at a constant velocity of 3 m/s with a force of 15 N. The weight of the mass is 9.0 N. What applied force must be exerted so that the mass will accelerate to 14 m/s in 4.0 seconds. *Another one I don't understand. I even tried converting the ...

**physics**

A person whose mass is m = 100.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 32.7° with the horizontal. What is the reading on the scale?

**Physics**

The mass of the Earth=Mg=5.97x10^24 kg. The radius of the Earth=RE= 6.38 x10^6 m. A) What is the weight of the 75 kg person? B) Determine the acceleration due to gravity aboard a space shuttle at an altitude of 400km.

**physics**

A(n) 1.62 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. The composite system moveswith a speed equal to one-third the originalspeed of the 1.62 kg sphere. What is the mass of the second sphere

**Physics**

You are pulling handle of a wagon with a force of 270N. The handle makes an upward 35 degrees angle with the ground. The loaded wagon has a mass of 95kg. 1.what is the weight of the wagon? 2.How much of your applied force pulls the wagon forward? 3.what is the normal force ...

**Math CALCULUS HELP PLEASE**

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 amount remaining in the lungs even after the deepest exhalation (i.e. the minimum amount of air remaining in the ...

**Biomechanics**

A juggler performs in a room with a ceiling that is 2.4 m above the level of his hands. He throws a ball (diameter of 10 cm) vertically so that it just reaches the ceiling. what initial velocity does he throw the ball? how long does it take for the ball to reach the ceiling? ...

**Physics**

A science student riding on a ﬂatcar of a train moving at a constant speed of a 9.70 m/s throws a ball toward the caboose along a path that the student judges as making an initial angle of 45.0◦ with the horizontal. The teacher, who is standing on the ground ...

**physics**

19. A ball with a mass of 2 kg moves to the right at a speed of 0.28 m/s. It hits a ball of mass 0.5 kg which is at rest. After collision, the second ball moves to the right with a speed of 1.5 m/s. What is the speed and direction of the first ball after collision?

**Physics**

A BMX rider is coming up to a ramp that is set to 23.0° and the end point is 1.60 m above the ground. They travel up the ramp at a steady speed of 9.20 m/s. What speed will they have just before they hit the ground?

**Math**

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 ...

**soc120**

• Due Day 4 (Thursday): Choose a family member or someone you know well who has experienced most adult life stages, such as a parent, grandparent, or an older brother or sister. Describe examples of how socialization occurred at different stages of this person’s life. For ...

**Physics**

a person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with speed of 31 m/s cliff is 51 m above water. how far from base of cliff does stone land and what is speed of stone when it hits water

**physics**

While standing on a bridge 45.0 m above ground, you drop a stone from rest. When the stone has fallen 3.80 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the ...

**Physics**

While standing on a bridge 45.0 m above ground, you drop a stone from rest. When the stone has fallen 3.90 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the ...

**Physics**

While standing on a bridge 45.0 m above ground, you drop a stone from rest. When the stone has fallen 3.90 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the ...

**VALUES..PLS HELP ME..MS. SUE URGENT PLS.**

Please check my answers if it is correct.thanks a lot.GOD BLESS U ALWAYS. •Being independent – not dependent Independent can stay and live alone without anybody’s help. Can be able to survive for whatever things occurred whether bad or good. •Being decisive – not ...

**math**

Anthony plans to ride 175 km on his bike and Samantha plans to ride 250 km. They both plan to complete their journeys in a whole number of days. a) How many kilometers could each person travel if they both ride the same number of kilmeters each day? b) Howmany days will each ...

**Physics- Elena please help!**

A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on level ground. What is the...

**math**

A robotic basketball player tosses a ball upward from a height of 7 feet, at an initial speed of 111 feet per second. The height of the ball is modeled by the equation: h=−16t2+111t+7, where h is the height above the ground in feet and t is the time measured in seconds. ...

**Physics**

A planet has a mass of 6.22 × 1023 kg and a radius of 2.51 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 77.7-kg person weigh on this planet?

**physics**

A planet has a mass of 5.71 × 1023 kg and a radius of 3.93 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 61.8-kg person weigh on this planet?

**Physics**

A planet has a mass of 6.15 × 1023 kg and a radius of 3.25 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 79.4-kg person weigh on this planet?

**physics**

A planet has a mass of 6.08 × 1023 kg and a radius of 2.62 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 63.6-kg person weigh on this planet?

**physics**

Suppose a ball of mass m is thrown vertically upward with an initial speed v, its speed decreases continuously till it becomes zero. Thereafter, the ball begins to fall downward and attains the speed v again before striking the ground. It implies that the magnitude of initial ...

**English - ms. sue**

story be more powerful in this first person narration? i write yes because we know what she feel and think. i not get second part to this which be there be other ways of describing what narrator think possible and/or more interesting? in anyways?

**chem**

A 73-kg person is accidentally exposed for 215 s to a 16-mCi source of beta radiation coming from a sample of 14C. What is the activity of the radiation source in disintegrations per second? In becquerels? i am not sure if there is an equation for this or wut??

**Calc Help**

An agency charges $15 per person for a trip for groups of no less than 30 people. But for each person above the 30, the charge (for everyone!) will be reduced by $0.15. Write a revenue function for the agency usin x as number of people above 30. What size group will maximize ...

**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...

**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?

**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?

**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 ;

**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.

**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.

**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 ...

**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

**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

**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?

**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 ...

**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, ...

**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 ...

**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 ...

**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 ...

**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 ...

**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...

**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.

**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 ...

**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 ...

**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

**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?

**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

**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?

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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)?

**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)?

**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...

**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...

**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...

**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...

**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.

**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

**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?

**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 ...

**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?????

**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 ...

**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?

**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

**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?

**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?

**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...

**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...

**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 ...

**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 ...

**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 ...

**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 ?

**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?