Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 3, Problem 14QAP
To determine
The motion of ball when a person throws from the back of the truck.
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Suppose you are standing 100 ft away from a 100 ft tall building. Suppose you keep your eyes fixed on a basketball that is dropped straight downwards from the very top of the building. At the moment when the ball hits the ground, the angle of your head is decreasing at a rate of 0.1 radians per second. How fast is the ball moving at the moment when it hits the ground?
A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second relative to the elevator. What is the velocity of the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
A ball is thrown horizontally at 30 m/s from a flatcar that is moving in a straight line at 28 m/s. Relative to a person on the ground, what is the horizontal speed of the ball when it is thrown in the forward direction
Chapter 3 Solutions
Understanding Our Universe
Ch. 3.1 - Prob. 3.1CYUCh. 3.2 - Prob. 3.2CYUCh. 3.3 - Prob. 3.3CYUCh. 3.4 - Prob. 3.4CYUCh. 3.5 - Prob. 3.5CYUCh. 3 - Prob. 1QAPCh. 3 - Prob. 2QAPCh. 3 - Prob. 3QAPCh. 3 - Prob. 4QAPCh. 3 - Prob. 5QAP
Ch. 3 - Prob. 6QAPCh. 3 - Prob. 7QAPCh. 3 - Prob. 8QAPCh. 3 - Prob. 9QAPCh. 3 - Prob. 10QAPCh. 3 - Prob. 11QAPCh. 3 - Prob. 12QAPCh. 3 - Prob. 13QAPCh. 3 - Prob. 14QAPCh. 3 - Prob. 15QAPCh. 3 - Prob. 16QAPCh. 3 - Prob. 17QAPCh. 3 - Prob. 18QAPCh. 3 - Prob. 19QAPCh. 3 - Prob. 20QAPCh. 3 - Prob. 21QAPCh. 3 - Prob. 22QAPCh. 3 - Prob. 23QAPCh. 3 - Prob. 24QAPCh. 3 - Prob. 25QAPCh. 3 - Prob. 26QAPCh. 3 - Prob. 27QAPCh. 3 - Prob. 28QAPCh. 3 - Prob. 29QAPCh. 3 - Prob. 30QAPCh. 3 - Prob. 31QAPCh. 3 - Prob. 32QAPCh. 3 - Prob. 33QAPCh. 3 - Prob. 34QAPCh. 3 - Prob. 35QAPCh. 3 - Prob. 36QAPCh. 3 - Prob. 37QAPCh. 3 - Prob. 38QAPCh. 3 - Prob. 39QAPCh. 3 - Prob. 40QAPCh. 3 - Prob. 41QAPCh. 3 - Prob. 42QAPCh. 3 - Prob. 43QAPCh. 3 - Prob. 44QAPCh. 3 - Prob. 45QAP
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- A pitching machine is programmed to pitch baseballs horizontally at a speed of 146 km/h. The machine is mounted on a truck and aimed forward. As the truck drives toward you at a speed of 85 km/h, the machine shoots a ball toward you. For each of the object pairings listed, determine the correct relative speed. The speed of the pitching machine relative to you The speed of the pitched The speed of the pitched ball relative to you The speed of the pitching machine relative to the truck ball relative to the truck Answer Bank 146 km/h 292 km/h 85 km/h 207 km/h 61 km/h 231 km/h zeroarrow_forwardA man standing on top of a bridge that is 45 m high wants to drop a package into a boat that is traveling towards the bridge at 25 m/s. How far away (in meters) from the bridge should the boat be when the man drops the package in order for it to land in the boat?arrow_forward1. A man is sitting on a train with a constant velocity of 10 m/s East. The man then stands up and walk backward with a velocity of 2 m/s. (a) Did the man's velocity with respect to the Earth change? (b) If the relative velocity of the man with respect to the Earth. yes, did it become faster or slower? (c) calculatearrow_forward
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