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Author Question: A 10.0-kg box starts at rest and slides 3.90 m down a ramp inclined at an angle of 10 with the ... (Read 89 times)

swpotter12

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on: Jul 28, 2018
A 10.0-kg box starts at rest and slides 3.90 m down a ramp inclined at an angle of 10 with the horizontal. If there is no friction between the ramp surface and crate, what is the velocity of the crate at the bottom of the ramp? (g = 9.8 m/s2)
 a. 13.3 m/s
  b. 3.64 m/s
  c. 8.74 m/s
  d. 8.68 m/s
  e. 76.4 m/s

Question 2

A 24.0-kg crate, initially at rest, slides down a ramp 4.0 m long and inclined at an angle of 20 with the horizontal. If there is no friction between ramp surface and crate, what is the kinetic energy of the crate at the bottom of the ramp? (g = 9.8 m/s2)
 a. 880 J
  b. 940 J
  c. 644 J
  d. 322 J
  e. 161 J


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ally

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

b

Answer to Question 2

d


swpotter12

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


ally

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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