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Author Question: An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the ... (Read 40 times)

formula1

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on: Jul 28, 2018
An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the direction of its acceleration?
 a. Toward the center of the circle
  b. Normal to the plane of the circle
  c. Insufficient data given for determination
  d. Tangential to the circle
  e. None of these

Question 2

When there is a net absorption of energy in a chemical reaction, it is called a(n) ______________ reaction.
 a. exothermic
  b. activation
  c. endothermic
  d. combustion


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Meganchabluk

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

a

Answer to Question 2

c


formula1

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
Excellent

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