Answer number 3 only. DIRECTION: Read each problem carefully then answer on the space provided. Write yourcomplete solution and box your final answer.1. An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Twoseconds later, another automobile leaves the gasoline station and accelerates at a constantof 2m/s?. How soon will the second automobile will overtake the first?2. A thief escaped and boarded on a truck then travelled at a constant speed of 55kph. Twohours later, a policeman riding on a motoreycle pursued the fugitive at a constant speed of60kph. How long did it take the policeman to catch up the criminal?3. A ball is thrown vertically upward from the ground and a student gazing out of the windowsees it moving upward pass him at 5m/s. The window is 10 m above the ground. How highdoes the ball go above the ground?4. A ball is thrown vertically upward with an initial velocity of 3 m/s from the window of atall building. The ball strikes the sidewalk at the ground level 4 seconds late. Determinethe velocity with which the ball strikes the ground.5. A baseball player throws a baseball upward with an initial velocity of 40 ft/s and plans tocatch it with baseball glove. Whan will the ball strike the glove? Assume the glove isposition in the same elevation when the ball left his hand.

If the ball is thrown from a point A on ground with upward velocity u m/s and it reach another point…

3. A ball is thrown vertically upward from the ground and a student gazing out of the window sees it moving upward pass him at 5m/s. The window is 10 m above the ground. How high does the ball go above the ground?

3. A ball is thrown vertically upward from the ground and a student gazing out of the window sees it moving upward pass him at 5m/s. The window is 10 m above the ground. How high does the ball go above the ground?

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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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

Answer number 3 only.

DIRECTION: Read each problem carefully then answer on the space provided. Write your
complete solution and box your final answer.
1. An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Two
seconds later, another automobile leaves the gasoline station and accelerates at a constant
of 2m/s?. How soon will the second automobile will overtake the first?
2. A thief escaped and boarded on a truck then travelled at a constant speed of 55kph. Two
hours later, a policeman riding on a motoreycle pursued the fugitive at a constant speed of
60kph. How long did it take the policeman to catch up the criminal?
3. A ball is thrown vertically upward from the ground and a student gazing out of the window
sees it moving upward pass him at 5m/s. The window is 10 m above the ground. How high
does the ball go above the ground?
4. A ball is thrown vertically upward with an initial velocity of 3 m/s from the window of a
tall building. The ball strikes the sidewalk at the ground level 4 seconds late. Determine
the velocity with which the ball strikes the ground.
5. A baseball player throws a baseball upward with an initial velocity of 40 ft/s and plans to
catch it with baseball glove. Whan will the ball strike the glove? Assume the glove is
position in the same elevation when the ball left his hand.

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