Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 2, Problem 29P
To determine
The distance on the moon.
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A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later,
the ball has an instantaneous velocity in the upward direction of 15.0 m/s.
How long does it take the ball to reach its maximum height?
2.3 s
4.0 s
8.0 s
2.0 s
4.6 s
A ball is thrown upward at 4.6 m/s, from a height of 20 m above the ground.
How fast (m/s) does the ball hit the ground?
The answer would be the same, if the ball were thrown downward at the same speed. True or false?
As the first human astronaut to land on a distant
planet, you are standing on the edge of a small
cliff. You toss a small experiment apparatus
straight up in the air and it reaches a maximum
height of 3.0 m above the cliff. The apparatus
then falls to the bottom of the cliff, landing a
distance 10 m below its initial position.
Given that the acceleration due to gravity on the
exoplanet is a =
-5.6j m/s?, how long did it
take for the apparatus to get from the top of its
trajectory to the bottom of the cliff?
The coordinate system is set up such that "up" is
in the +j direction.
Pick the correct answer
1.9 s
O 1.5 s
1.3 s
O 2.2 s
O 1.0 s
Chapter 2 Solutions
Physics Fundamentals
Ch. 2 - Prob. 1QCh. 2 - Prob. 2QCh. 2 - Prob. 3QCh. 2 - Prob. 4QCh. 2 - Prob. 5QCh. 2 - Prob. 6QCh. 2 - Prob. 7QCh. 2 - Prob. 8QCh. 2 - Prob. 9QCh. 2 - Prob. 1P
Ch. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37PCh. 2 - Prob. 38PCh. 2 - Prob. 39PCh. 2 - Prob. 40PCh. 2 - Prob. 41PCh. 2 - Prob. 42PCh. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Prob. 51PCh. 2 - Prob. 52PCh. 2 - Prob. 53PCh. 2 - Prob. 54PCh. 2 - Prob. 55P
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- The froghopper, a tiny insect, is a remarkable jumper. Suppose a colony of the little critters is raised on the Moon, where the acceleration due to gravity is only 1.62 m/s2, whereas gravity on Earth is ?=9.81 m/s2. If on Earth a froghopper's maximum jump height is ℎ and its maximum horizontal jump range is ?, what would its maximum jump height and range be on the Moon in terms of ℎ and ?? Assume the froghopper's takeoff velocity is the same on the Moon and Earth.arrow_forwardA ball is thrown upward at time t=0 from the ground with an initial velocity of 8 m/s (~ 18 mph). Assume that g = 10 m/s2. What is the greatest height (in meters) reached by the ball?arrow_forwardYou are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is 1.84 m tall, is approaching the building at constant speed of 1.19 m/s. If you wish to drop an egg on his head, how far should your professor be when you release the egg? Do not round the answer. Put all the decimals.arrow_forward
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