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 walk12km (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 of111m? If the mass of the rock was doubled, would its final velocity change?s ofth5. A train is moving on a straight track with a speed of 70.0km/h [E]. It slows down at arate of 2.00m/s' (W] in a distance of 35.0m. Determinea. The final speed of the train.b. How much time the train took to slow down to this speed.

Answered: Image /qna-images/answer/96d929ff-55ea-44a0-912a-15e5549b306a.jpg

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.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 28P: A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km....

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