3. A fighter jet lands on the flight deck of an aircraft carrier. The jet must reduce its speed from about 153 m/s to exactly 0 m/s in 2.0 s or it will fall off the back of the carrier into the ocean. What is the jet's acceleration? 4. Arunner whose initial speed is 2.9 m/s increases her speed to 3.1 m/s in order to win the race. If the runner takes 5.0 s to complete this increase in speed, what is her acceleration? 5. A certain roller coaster accelerates its cars 6.35 m/s? up the first incline. If this acceleration happens during the first 7.0 s of the ride, how much does the coaster's speed increase? 6. A solid-fuel rocket boosters used to launch a space shuttle above the Earth's surface. During that time, the shuttle undergoes a total acceleration of 6.25 m/s?, so that its speed increases from rest to about 750 m/s. How long does it take for the shuttle to reach this speed? 7. In 1995, Bonnie Blair set the world record for speed skating. Suppose that she coasted to a stop on the ice after she crossed the finish line. If hér initial speed was 13 m/s, and her acceleration was -2.9 m/s, how long did it take her to stop?

3. A fighter jet lands on the flight deck of an aircraft carrier. The jet must reduce its speed from about 153 m/s to exactly 0 m/s in 2.0 s or it will fall off the back of the carrier into the ocean. What is the jet's acceleration? 4. Arunner whose initial speed is 2.9 m/s increases her speed to 3.1 m/s in order to win the race. If the runner takes 5.0 s to complete this increase in speed, what is her acceleration? 5. A certain roller coaster accelerates its cars 6.35 m/s? up the first incline. If this acceleration happens during the first 7.0 s of the ride, how much does the coaster's speed increase? 6. A solid-fuel rocket boosters used to launch a space shuttle above the Earth's surface. During that time, the shuttle undergoes a total acceleration of 6.25 m/s?, so that its speed increases from rest to about 750 m/s. How long does it take for the shuttle to reach this speed? 7. In 1995, Bonnie Blair set the world record for speed skating. Suppose that she coasted to a stop on the ice after she crossed the finish line. If hér initial speed was 13 m/s, and her acceleration was -2.9 m/s, how long did it take her to stop?

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Description: 3. A fighter jet lands on the flight deck of an aircraft carrier. The jet must reduce its speed from about 153m/s to exactly 0 m/s in 2.0 s or it will fall off the back of the carrier into the ocean. What is the jet'sacceleration?4. Arunner whose in

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 71AP: An ice sled powered by a rocket engine sum from rest on a large frozen lake and accelerates at + 40...

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An ice sled powered by a rocket engine sum from rest on a large frozen lake and accelerates at + 40 ft/s2. After some time t1, the rocket engine is shut down and the sled moves with constant velocity v for a time t2. If the total distance traveled by the sled is 17 500 ft and the total time is 90 s. find (a) the times t1 and t2 and (b) the velocity v. At the 17 500-ft mark, the sled begins to accelerate at 20 ft/s2. (c) What is the final position of the sled when it comes to rest? (d) How long does it take to come to rest?
An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s and comes to a full stop after compressing the padding and his body 0.350 m. (a) What is his deceleration? (b) How long does the collision last?
4. A bullet fired horizontally from a gun is travelling at 250 m/s. The velocity of the bullet at any time t, in seconds, can be represented by v(t)=250-2t³. Assume the bullet is affected by air resistance but not gravity. How long will the bullet be in the air before it stops due to air resistance? a. b. How far will the bullet travel before it stops? Record your answer as an exact value.
5. Two rocks are thrown horizontally off a 180 m cliff. One rock is thrown with a speed of 10 m/s and the other is thrown with a speed of 20 m/s a. How much time does it take each rock to hit the ground? b. How far from the base of the cliff does each rock land? c. What is the horizontal and vertical speed of each rock when it hits the ground?
4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the ground 1.89 seconds later. What is the acceleration due to gravity on this asteroid. A. -.17 m/s2 C. -.70 m/s? B. -.35 m/s2 D. .406 m/s2 5. A motor scouter is stopped at a traffic light. When the light turns 7m/c2 How fact is the the sce MacBook Air DOD F6 F3 #3 3. 6. 7.
A lady tosses a coin vertically up with a speed of 5.5 m/s. a. How high will the coin rise before it goes down? b. How long will the coin stay in air before landing? c. With what speed will it land on the lady's hand? d. At what times will the speed of the coins be 3 m/s?
A small rocket launched straight up. When at a height of 5.0km and velocity of 200.0 m/s, it is releases its booster and enters free fall. Neglecting air friction, 1. what is the velocity of the rocket at a height of 6.0km on its way up? A. 142 m/s B. 200 m/s C. 244 m/s D. 397 m/s 2. What is the maximum height, above the ground, the rocket attains? A. 2020m B. 5000m C. 7040m 3. Calculate the total time of flight between releasing its boosters and falling back and hitting the ground? A. 20.4a B. 40.8s C. 37.9s D. 58.3s
8. A person standing on a 25-m high ledge atop a cliff drops a rock. At the same time, another person at the base of the cliff throws another rock straight upward at a speed of 15 m/s. Assume that air resistance is negligible and g = 9.8 m/s². How high from the base of the cliff will the two rocks meet?
2. A student wants to toss a textbook to his roomate who is leaning out of a window directly above him. He throws the book upwards with an initial velocity of 8.0 m/s. The roomate catches it while it is travelling at 3.0 m/s upward. A. How long was the book in the air? B. How far vertically did the book travel? C. Redo the problem, and have the roomate catch the book as it is travelling 3.0 m/s downward. What is the time and displacement now? 3. A man is standing on the edge of a 20.0 m high cliff. He throws a rock vertically with an initial velocity of 10.0 m/s A. How high does the rock go? (Remember that at its max height v = 0 m/s) B. How long does it take to reach it max height?
A. Free Falling Bodies problems 1. Suppose a free-fall ride at an amusement park starts at rest and is in free fall. What is the velocity of the ride after 2.3 s? How far do people on the ride fall during the 2.3-s time period? 2. Velocity and Acceleration Suppose you throw a ball straight up into the air. Describe the changes in the velocity of the balI. Describe the changes in the acceleration of the ball. 3. A weather balloon is floating at a constant height above Earth when it releases a pack of instruments. a. If the pack hits the ground with a downward velocity of 73.5 m/s, how far did the pack fall? b. Calculate the distance the ball has rolled at the end of 2.2 s. 4. An object dropped from the top of a cliff. It is seen to hit the ground below after 5 seconds. Determine its velocity just before hitting the ground. Ignore air resitance. 5.. A ball dropped from a height. Find (a) Acceleration (b) Distance after 8 seconds (c) Time in air if final velocity is 25 m/s. B. Projectile…
5. A flower pot is accidentally dropped from a building window 400m from the ground. Assuming it starts from rest, a. How long will it take the pot to reach the ground? b. How long will it take the pot to crash on the glass table resting directly beneath the window if the height of the table is 170cm? c. What is the velocity of the pot just before it hits the ground?
1. If you walk 500 m due North and then 200 m due South,a. What is your total distance covered?b. What is your displacement? 2. A spacecraft traveling at 1200 m/s is uniformly accelerated at the rate of 150 m/s2 by burning itssecond stage rocket. If the rocket burns for 18 seconds, what is the final speed of the craft?