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4. With what velocity will a 4.0kg rock hit the ground if it is dropped from a height of 111m? If the mass of the rock was doubled, would its final velocity change? 5. A train is moving on a straight track with a speed of 70.0km/h (E). It slows down at a rate of 2.00m/s (W) in a distance of 35.0m. Determine a. The final speed of the train. b. How much time the train took to slow down to this speed.

4. With what velocity will a 4.0kg rock hit the ground if it is dropped from a height of 111m? If the mass of the rock was doubled, would its final velocity change? 5. A train is moving on a straight track with a speed of 70.0km/h (E). It slows down at a rate of 2.00m/s (W) in a distance of 35.0m. Determine a. The final speed of the train. b. How much time the train took to slow down to this speed.

College Physics
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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Please answer question 4 and 5ab I want both questions to be answered just send me a solution
3. A girl is taking her dog for a walk. They walk 5.0km (N) and then turn around and walk 12km (S) a) What is the total distance they travelled? b) What is their displacement? c) What displacement would they have to walk to get back to their starting point? 4. With what velocity will a 4.0kg rock hit the ground if it is dropped from a height of 111m? If the mass of the rock was doubled, would its final velocity change? s ofth 5. A train is moving on a straight track with a speed of 70.0km/h [E]. It slows down at a rate of 2.00m/s' (W] in a distance of 35.0m. Determine a. The final speed of the train. b. How much time the train took to slow down to this speed.
Transcribed Image Text:3. A girl is taking her dog for a walk. They walk 5.0km (N) and then turn around and walk 12km (S) a) What is the total distance they travelled? b) What is their displacement? c) What displacement would they have to walk to get back to their starting point? 4. With what velocity will a 4.0kg rock hit the ground if it is dropped from a height of 111m? If the mass of the rock was doubled, would its final velocity change? s ofth 5. A train is moving on a straight track with a speed of 70.0km/h [E]. It slows down at a rate of 2.00m/s' (W] in a distance of 35.0m. Determine a. The final speed of the train. b. How much time the train took to slow down to this speed.
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