# A model rocket is launched from a roof of a building. Its path is described by the relationship h=-5t*2+35t+10, where h is the height in metres and t is the time in seconds. How tall is the building? What is

13,356 questions, page 41-
## precal college

a rocket is shot straight up into the air with an inicial velocity of 250 ft per second and from a height of 100 feet above the ground. h= -16x2+ 250x+ 100

*asked by Anonymous on September 5, 2012* -
## physical

a rocket moves through outer space at 11,000 m/s at this rate how much time would be required to travel the distance from earth to moon which is 380,000 km

*asked by cindy on January 28, 2012* -
## Physics

A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s2. At an altitude of 500 m, find its velocity. 1000 m/s 500 m/s 100 m/s 10 m/s

*asked by Maryam on October 2, 2013* -
## math

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 x 10−5 (10 to the -5 power) watts/cm2(squared)

*asked by leelee kay on June 3, 2014* -
## Physical Science

A rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 380,000 km?

*asked by Julie on March 6, 2010* -
## Physical Science

a rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 381,000 km?

*asked by Dana on September 15, 2013* -
## physics

A rocket is fired at 1500 m/s at an angle of 50 degrees with respect to the ground. a)What are the horizontal and vertical velocities at 10 seconds. b)What is the actual velocity at 10 seconds.

*asked by Matthew on September 11, 2011* -
## PHYSICS Urgent help please

A red ball is thrown up off the edge of a building 10 m tall with an initial speed of 4 m/s. A) how long does it take for the red ball to strike the ground below? B) If a black ball is dropped off the edge of the same building, how many seconds after the

*asked by Dave on November 15, 2012* -
## physics

A red ball is thrown up off the edge of a building 10 m tall with an initial speed of 4 m/s. A) how long does it take for the red ball to strike the ground below? B) If a black ball is dropped off the edge of the same building, how many seconds after the

*asked by Matt on November 14, 2012* -
## Math (please HELP)

which polynomial does the model represent (Model shows: 1 big black square, 1 long black rectangles, 2 long blank rectangles, 3 small black squares, 1 small blank square) A) -x^3+2x^2-3x+2 *** b.)x^2+x-2 c.)-x^2-x+2 d.)-x^2+x-2

*asked by Carlee on May 19, 2017* -
## English

1. Without rules, people cannot get along with others. 1-1. If there were no rules, people cannot get along with others. 1-2. If they have no rules, people cannot get along with others. (Does # 1 mean #1-1 or #1-2? Does 'get' mean 'go'? What is the meaning

*asked by John on November 10, 2008* -
## Science

*Note that I most likely will have more questions throughout the day An object that moved as a result of a machine working is called the_______. effort load*** output mass AÃ‚Â knife is an example of a(n) _______. inclined plane wedge***** (?) lever

*asked by Anonymous on April 16, 2018* -
## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

*asked by Madison on February 4, 2012* -
## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

*asked by Anonymous on February 2, 2012* -
## physics

A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is

*asked by jack on August 26, 2013* -
## Regression

1)Price of COke 2)Price of Pizza 3)Price of Beef 4)Quantity of Beef 5)Income 1) List and explain each of the components of you regression model, both the dependent and independent variables 2) list each of the indepedent variables, and hypothesize the sign

*asked by Peter on September 30, 2009* -
## statistics

. An automobile is selling a new model car with an advertised in‐city mileage of 27 MPG. As with most car models, there is no associated measure of variability (variance, SD, etc.) included with the advertised MPG. You write the manufacturer and request

*asked by MJ on March 1, 2012* -
## Math

I am doing an assignment on probability. It sais.. "By the start of the 21st century, only 1 in 6 babies in America was born with blue eyes. What is the probability that at least 1 out of 2 babies has blue eyes? And then it sais " What might be a good

*asked by Kortny on June 1, 2013* -
## math 12

Does anyone know how to do this question? The cross section of the roof of a house is modelled by the function y= -5/12|x-12|+5 I need to find the slope, height,and length of both sides including the base of this isosceles triangle. I'm having a extremely

*asked by Karrie on March 19, 2010* -
## Physics

From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s

*asked by <3 on September 15, 2013* -
## Physics

From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and

*asked by Adriana on January 28, 2016* -
## Physics

a projectile is launched in the horizontal direction. It travels 2.050 m horizontally while it falls 0.450 m vertically, and it then strikes the floor. What was the original velocity of the projectile? How long was it in the air?

*asked by Anonymous on February 7, 2013* -
## History

Western companies often impose western culture on the country in which the business is launched. I want to know does Dell Inc or walt Disney contains a similar situation as Wal-Mart? Or can anyone give me more information on this PLEASE!!!!

*asked by stacii on January 2, 2010* -
## Physics

3. A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon. It hits the ground 10.0 m below its initial position. What is its speed just before hitting the ground? Ignore air resistance. The answer is supposed to be 17.2 m/s.

*asked by James on July 28, 2012* -
## physics

In a conversion from military to peacetime use, a missile with a maximum horizontal range of 170 is being adapted for studying the upper atmosphere. What is the maximum altitude it can achieve if launched vertically?

*asked by Anonymous on April 1, 2012* -
## science

describe the path of light rays from a leaf to the retina

*asked by Taylor on April 9, 2013* -
## calculus

Evaluate the following line integral: ∮C[(4x^2+3x+5y)dx+(6x^2+5x+3y)dy] where C is the path around the square with vertices (0,0),(2,0),(2,2) and (0,2).

*asked by Anonymous on March 5, 2013* -
## calculus

Evaluate the following line integral: ∮C[(4x^2+3x+5y)dx+(6x^2+5x+3y)dy] where C is the path around the square with vertices (0,0),(2,0),(2,2) and (0,2).

*asked by Anonymous on March 5, 2013* -
## history

What event started Lenin on the path to becoming a communist revolutionary?

*asked by Anonymous on January 5, 2015* -
## Math

Calculate the length of the path over the given interval: (sin6t, cos6t), 0

*asked by Ali on August 7, 2013* -
## Math

Calculate the length of the path over the given interval: (sin6t, cos6t), 0

*asked by Ali on August 6, 2013* -
## Career guidance

which career path do i fit in or which job are related with those subjects

*asked by Anonymous on December 18, 2018* -
## Science, Grade 8

Describe the path of oxygen from when it enters your mouth to the blood.

*asked by Maddison on June 20, 2010* -
## History

What is trace the path that they took from New York to Salt Lake City ?

*asked by Michaela on February 23, 2010* -
## BIOLOGY 12

Explain the path of deoxygenated blood from the right atrium to the lungs

*asked by Leah on April 16, 2014* -
## physicsat

at what poins in its path projectile has minimum and maximum speeds

*asked by areej on July 9, 2017* -
## geo,history,maths lit,life sciences

wjat career path can i follow if i do tjese subhects

*asked by njajula zikjona on March 8, 2016* -
## Science 5

The path that energy & nutrients follow is an ecosytem is called an

*asked by Leila on January 22, 2016* -
## physics

Which is the vector quantity that describes the shortest path between two points?

*asked by maria on March 22, 2016* -
## physics

Find the relation between phase difference and path dofferense

*asked by Anonymous on June 10, 2016* -
## physics

Which is the vector quantity that describes the shortest path between two points?

*asked by Anonymous on January 17, 2013* -
## Science

Witch of the following shows the path followed by nerve impulses in a reflex

*asked by Matthew on October 31, 2017* -
## math

the flight path of a firework is modelled by the function h(t)=-5(t-5)^2+127

*asked by em on January 17, 2017* -
## science

When an object moves on a circular path what is a work done?specify the reason

*asked by naved on January 4, 2017* -
## Reading/Language Arts

As Pedro scaled the ladder to the roof, he felt the blood in his c=veins pumping through his body. Vein can mean a blood vessel or a crack in a rock filled with mineral deposit. How is it used in this sentence? How can you tell?

*asked by BUBBY on September 24, 2015* -
## physics

A 1.5 kg chunk of ice slides down a roof sloped at a 60 degree angle with the horizontal. If there is no friction, determine the acceleration of the ice. Show that the amount of mass doesn't matter in part a.

*asked by caroline on October 26, 2010* -
## genral ability

A truck became wedged under a low bridge.It could not move backward or forward without severely damaging its roof.The truck driver was perplexed until a little girl watching nearby an easy solution.What was it?

*asked by Siu on April 11, 2008* -
## Math

Suppose there is a 10 meter ladder leaning against the wall of a building and the base of the ladder is sliding away from the building at a rate of 3 meters per second. How fast is the top of the ladder sliding down the wall when the base of the ladder is

*asked by Terra on December 30, 2010* -
## math

a scale model of a car is 10 in long. The actual car is 15 ft long. What is the scale of the model?

*asked by boy on December 4, 2012* -
## algebra

a swimming pool is 60 ft long and 35 ft wide. a model of the pool is 9 in long. how wide is the model

*asked by nicole on November 16, 2015* -
## statistics

Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year. Month Sales January 440 February 480 March 590 April 400 May 500 June 550 July 470 August 500 September 600 October 520 Using a

*asked by iyra on February 9, 2010* -
## Math (Functions - Word Problem)

The numbers d (in millions) of drug prescriptions filled by independent outlets in the United States from 2000 through 2007 can be approximated by the model d(t)= 10.6t + 699, 0 ≤ t ≤ 4 15.5t + 637, 5 ≤ t ≤ 7 where t represents the year, with t=0

*asked by Pao on October 23, 2014* -
## projectile motion physics

There is a minimum angle above the ground such that if the ball is launched below this angle, it can never clear the bar, no matter how fast it is kicked. What is this angle?

*asked by Kevin on March 8, 2015* -
## Math

The firemen's ladder is 39 feet long (L). The firemen set the base of the ladder 12 feet away from the building (d). When the firemen lean the ladder against the building, the top of the ladder reaches the third floor window. How high, in feet, is the

*asked by Destiny on March 10, 2016* -
## physics

The highest barrier that a projectile can clear is 15.8 m, when the projectile is launched at an angle of 13.4° above the horizontal. What is the projectile's launch speed?

*asked by Nick on October 22, 2011* -
## physics

The highest barrier that a projectile can clear is 13.4 m, when the projectile is launched at an angle of 11.0o above the horizontal. What is the projectile’s launch speed?

*asked by brain on June 27, 2013* -
## general physics

The highest barrier that a projectile can clear is 18.8 m, when the projectile is launched at an angle of 59.0 ° above the horizontal. What is the projectile's launch speed?

*asked by vinny on July 3, 2013* -
## physics

A rock is given a KE of 2.00*10^4 J when it is launched vertically upward. If the rock reaches a height of 50m determine the mass of the rock.

*asked by moooose on January 6, 2015* -
## physics

The highest barrier that a projectile can clear is 11.5 m, when the projectile is launched at an angle of 15.4° above the horizontal. What is the projectile's launch speed?

*asked by Sharienia on September 9, 2012* -
## physics

The highest barrier that a projectile can clear is 12.7 m, when the projectile is launched at an angle of 17.5° above the horizontal. What is the projectile's launch speed?

*asked by loweri on February 11, 2012* -
## Physics

The highest barrier that a projectile can clear is 14.5 m, when the projectile is launched at an angle of 31.0 ° above the horizontal. What is the projectile's launch speed?

*asked by Heather on October 15, 2011* -
## memorial university

The highest barrier that a projectile can clear is 13.8 m, when the projectile is launched at an angle of 14.9° above the horizontal. What is the projectile's launch speed?

*asked by obinna on October 19, 2011* -
## HISTORY 2

6. which of the following does NOT describe women's work in early Georgia A. Planting and tending a home garden B. Working at the local hospital C. Making clothes for the family D. Taking care of the children** 7. which of the following groups of new

*asked by HELP ME 911 MS. SUE on September 25, 2014* -
## Physics

A 6100 kg rocket is set for vertical firing from the ground. If the exhaust speed is 1200 m/s how much gas must be ejected each second if the thrust a) is to equal the magnitude of the gravitaiotnal force on the rocker and b) is to give the rocket an

*asked by sarah on February 9, 2007* -
## Physics

The highest wall that a projectile can clear is 17m, when the projectile is launched at an angle of 35.0 degrees above the horizontal. What is the projectile's launch speed?

*asked by Mandy on September 14, 2016* -
## physics

A 33300 lb (earth weight) rocket in outer space has two constant forces acting upon it, F1 = (-166i + 392j) lb and F2 = (50i + -54j) lb. Its initial velocity is (39i + 64j) ft/s. How far is it from where it started after 33 seconds?

*asked by sandhu on November 23, 2010* -
## physics

A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can

*asked by nicky on September 26, 2014* -
## physics

A 33300 lb (earth weight) rocket in outer space has two constant forces acting upon it, F1 = (-166i + 392j) lb and F2 = (50i + -54j) lb. Its initial velocity is (39i + 64j) ft/s. How far is it from where it started after 33 seconds?

*asked by sandhu on November 23, 2010* -
## physics

Using newtons third law of motion, and action reaction pairs explain the following situations A person with ordinary shoes is able to walk on a sidewalk A rocket accelerates in the vacuum of outer space Thanks for the help, any would be great!

*asked by Isabella on March 26, 2012* -
## Math

A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125? after 15 minutes from the start of the examination. Then, 14

*asked by Anonymous on November 21, 2014* -
## Algebra, Trig

You are standing at a base of a Ferris Wheel which is 4 m above ground while your friend is riding. The Ferris Wheel is 8m in diameter. Describe how the shape of the sine curve models the distance your friend is to the platform you are on. Identify the

*asked by Jay on October 12, 2017* -
## English

A question on my previous post: is that a mistake to say "he requested me to leave" Can't "request" be followed by "someone to do something"? Can I write the summary below in the present tense though the chapter is in the simple past? 1)The first person

*asked by Henry1 on May 12, 2011* -
## Physics- i need to know how to do these problems

Two projectiles are launched from the ground, and both reach the same vertical height. However, projectile B travels twice the horizontal distance as projectile A before hitting the ground. a. How large is the vertical component of the initial velocity of

*asked by anonymous on October 29, 2006* -
## Physics

At what speed must a satellite of a mass M be launched horizontally at the surface of the earth if it's orbit is to be a circle just grazing the highest mountains?( assume no air resistance). How much time would elapse between successive passes of this

*asked by Juan on November 15, 2009* -
## Regression Analysis

1)Quantity of Beef 2)Price of Beef 3)Price of Pizza 4)Price of Coke 5)Income 1- list and explain each of the components of your regression model, both the dependent variable and the independent variables 2-list each of the independent variables,

*asked by Peter on September 30, 2009* -
## Physics

If a ball is launched into the air vertically with a velocity of 20 m/sec, how fast will it be moving after two seconds? (The gravity's acceleration is rounded to 10 m/sec/sec.)

*asked by Tom on March 26, 2015* -
## Math

the length of a wall in a floor plan is 6 1/2 inches.the actual wall is 78 feet long. find the scale of the floor plan The height of a building is 3 3/8 inches on a scale drawing. Find the actual height of the building if the scale used is 1inch:4feet.

*asked by Jen on January 25, 2016* -
## physics 1

A 3.50 kg ball with a velocity of 10.00 m/s collides with a stationary ball with a mass of 5.00 kg. After the collision, the first ball travels at a 42.6 degree angle from its original path, while the second ball travels at a -26.7 degree angle from the

*asked by i on March 26, 2016* -
## PHYSICS

A 3.50 kg ball with a velocity of 10.00 m/s collides with a stationary ball with a mass of 5.00 kg. After the collision, the first ball travels at a 42.6 degree angle from its original path, while the second ball travels at a -26.7 degree angle from the

*asked by Omar on March 27, 2016* -
## African and Hispanic Studies

What is Jim Cummins' "Intervention Model" all about. Present the elements of this model and in your opinion, can it be successful in reversing the history of failure the Puerto Rican children have experienced in the American schools? Illustrate some of the

*asked by Anne on December 17, 2008* -
## Math

The roof of a solar house is elevated by an angle of 50 at the front and by an angle of 40 at the back. a) what is the measure of the angle at the peak? b) what kind of triangle do these angels create? Explain why? please help , thanks

*asked by Bill Nye on January 25, 2014* -
## Physics

a projectile is launched from a cliff 100m above level ground with a launch velocity angle of 20 degrees above the horizontal What is the horizontal displacement and time upon impact And the max height it traveled

*asked by Carmieee on August 16, 2017* -
## physics

A 5.2 kg projectile is launched from a launching device. It leaves the launcher traveling at 4000 m/s. The net force during the launch was equal to 4.3×105 Newtons. How much time did the project spend in the launcher?

*asked by Anonymous on February 14, 2014* -
## Physics

A volleyball is launched straight up at an initial velocity of 2.3 m/s. It is then spiked by a taller player 0.8 meters above the launch height. How high did it rise, and how long did the volleyball remain in the air between the players?

*asked by Jessica on October 29, 2014* -
## physics

What gives? projectile launched @ 10.0 m/s @ 45.0 degrees figured everyhting out go these three points I'm trying to apply my Algebra 2 class stuff to it to get the equation of the perabala (0,0) (5.1 , 20.4) (10.2 , 0 ) then i use matrix to find the

*asked by physics on December 22, 2008* -
## math

I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model

*asked by sarah on July 27, 2015* -
## Math

I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model

*asked by PLEASE HELPP on July 28, 2015* -
## Math

I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model

*asked by Yoyo on July 28, 2015* -
## physics

A pendulum bob of mass 50g hangs in a steady state by athread from the roof of a car as it accelerates horizontally.the angle between the thread and the vertical is 10 degrees. Find the acceleration of the car.

*asked by Safiah on February 17, 2013* -
## MATH - HELP ME PLEASE!!!!

The front of an A-frame cottage has the shape of an isosceles triangle. It stands 30 feet high and is 20 feet wide at its base. What is the angle of elevation of its roof? (Round your answer to two decimal places.)

*asked by Anonymous on February 12, 2019* -
## physics

A pendulum bob of mass 50g hangs in a steady state by athread from the roof of a car as it accelerates horizontally.the angle between the thread and the vertical is 10 degrees. Find the acceleration of the car.

*asked by Safiah on February 17, 2013* -
## Math

A scale model of a house is 1 foot long. The actual house is 50 feet long. In the model, the window is 1 1/5 inches high. How many feet high is the actual window?

*asked by John on February 6, 2012* -
## Physics

A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

*asked by Sanz on October 20, 2014* -
## Please physics help

A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

*asked by Sanz on October 20, 2014* -
## Physics

Hello, my problem is the next one: There are three objects that are launched at the Same time But with different angles( they describe proyectile motion ) . All the objects got the Same maximun height. My question is: Is the Initial velocity the Same for

*asked by Arthur on October 11, 2016* -
## True & False explanations Physics

When a projectile is fired at 45 deg. angle and is in free fall, the only point along the path that the acceleration of the object is zero is the instant when the object is at the highest point of its path. Answer: False Can someone explain how? 2.) An

*asked by Emma on February 3, 2016* -
## physics

Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 71500 kg spacecraft by 63 cm/s, how long should it be fired?

*asked by asas on December 11, 2010* -
## Physics

Thank you so much Mr. Bob Pursley for answer to one of my two questions. Can you please provide me with this answer. My exam is ahead. QUESTION: A rocket is ignited and gone up. After that it returns to the ground. How to draw a displacement time of the

*asked by Sagnik on September 8, 2016* -
## Math

A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?

*asked by Anonymous on September 15, 2016* -
## physics

Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 72300 kg spacecraft by 64 cm/s, how long should it be fired?

*asked by Mara on December 1, 2008*

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