A 0.5 kg rock is thrown horizontally from a 200 m high cliff with a horizontal velocity of 20 m/s. 1. Write an equation for the vertical displacement and find the time it takes the rock to hit the ground. 2. Write an equation for the horizontal displacement and find the horizontal displacement when the rock hits the ground. 3. Write an equation for the vertical velocity and find the vertical velocity just before the rock hits the ground. In this problem, earth's gravitational acceleration has been approximated with 10 m/s/s. An object is thrown with a 40 m/s upward vertical velocity and a 30 m/s horizontal velocity. 4. Find the time it takes for the object to reach the top of its path. 5. Write an equation for the vertical displacement and find the vertical displacement when the object is at the top. 6. Write an equation for the horizontal displacement and find the horizontal displacement when the object is at the top. 7. You throw an object from the top of a 50 m high building. The object leaves your hand with a speed of zero in the vertical and 10 m/s in the horizontal. How far from the base of the building will the object hit the ground below. Assume the ground is horizontal and air resistance is not important.

A 0.5 kg rock is thrown horizontally from a 200 m high cliff with a horizontal velocity of 20 m/s. 1. Write an equation for the vertical displacement and find the time it takes the rock to hit the ground. 2. Write an equation for the horizontal displacement and find the horizontal displacement when the rock hits the ground. 3. Write an equation for the vertical velocity and find the vertical velocity just before the rock hits the ground. In this problem, earth's gravitational acceleration has been approximated with 10 m/s/s. An object is thrown with a 40 m/s upward vertical velocity and a 30 m/s horizontal velocity. 4. Find the time it takes for the object to reach the top of its path. 5. Write an equation for the vertical displacement and find the vertical displacement when the object is at the top. 6. Write an equation for the horizontal displacement and find the horizontal displacement when the object is at the top. 7. You throw an object from the top of a 50 m high building. The object leaves your hand with a speed of zero in the vertical and 10 m/s in the horizontal. How far from the base of the building will the object hit the ground below. Assume the ground is horizontal and air resistance is not important.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

In this problem, earth's gravitational acceleration has been approximated with 10 m/s/s.
A 0.5 kg rock is thrown horizontally from a 200 m high cliff with a horizontal velocity of 20 m/s.
1. Write an equation for the vertical displacement and find the time it takes the rock to hit
the ground.
2. Write an equation for the horizontal displacement and find the horizontal displacement
when the rock hits the ground.
3. Write an equation for the vertical velocity and find the vertical velocity just before the
rock hits the ground.
In this problem, earth's gravitational acceleration has been approximated with 10 m/s/s.
An object is thrown with a 40 m/s upward vertical velocity and a 30 m/s horizontal velocity.
4. Find the time it takes for the object to reach the top of its path.
5. Write an equation for the vertical displacement and find the vertical displacement when
the object is at the top.
6. Write an equation for the horizontal displacement and find the horizontal displacement
when the object is at the top.
7. You throw an object from the top of a 50 m high building. The object leaves your hand
with a speed of zero in the vertical and 10 m/s in the horizontal. How far from the base of
the building will the object hit the ground below. Assume the ground is horizontal and air
resistance is not important.

505
15-
10-
U
(m/s) 0
-54
-10-
-15-
t(s)
Figure 1. Velocity versus time in the vertical direction.
1. A 0.5 kg ball is thrown on another planet. Figure 1 shows the ball's vertical (y) velocity.
The ball has a horizontal (x) velocity of 10 m/s. Find the gravitational acceleration on this
planet.
2. At what time is the ball at the top?
3. Write an equation for the vertical displacement and find the vertical displacement when
the ball is at the top of its path.
4. Write an equation for the horizontal displacement and find the horizontal displacement
when the ball is at the top of its path.
5. What is the weight of the ball?

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