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Author Question: A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its ... (Read 85 times)

Evvie72

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on: Jul 29, 2018
A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its velocity when it crosses the finish line?
 
  A) 296 mi/h
  B) 269 mi/h
  C) 188 mi/h
  D) 135 mi/h

Question 2

A constant force of 20 N is applied to an object of mass 8.0 kg at an angle of 25 with the horizontal. What is the work done by this force on the object if it causes a displacement of 2.0 m along the horizontal direction?
 
  A) 40 J
  B) 0 J
  C) 36 J
  D) 17 J
  E) 19 J


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cuttiesgirl16

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


Evvie72

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

scottmt

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Reply 3 on: Yesterday
Excellent

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