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Author Question: When a car is braked to a stop, its kinetic energy is transformed into a. stopping energy b. ... (Read 66 times)

strangeaffliction

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on: Jul 28, 2018
When a car is braked to a stop, its kinetic energy is transformed into
 a. stopping energy
  b. potential energy
  c. heat energy
  d. energy of motion

Question 2

A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the total acceleration of the car is 2.5 m/s2 53 north of west. Which of the following is correct?
 a. R = 0.29 km, and the car's speed is increasing.
  b. R = 0.23 km, and the car's speed is decreasing.
  c. R = 0.23 km, and the car's speed is increasing.
  d. R = 0.29 km, and the car's speed is decreasing.
  e. R = 0.29 km, and the car's speed is constant.


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amit

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

A


strangeaffliction

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Reply 2 on: Jul 28, 2018
Gracias!

olderstudent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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