A block slides down a frictionless ramp of height ℎ. It reaches speed ? at the bottom. To reach a speed of 2?, the block would need to slide down a ramp of which height? Choose the correct answer from the following options list below.   options: A) 2ℎ B) ℎ C) (√2)ℎ D) ℎ/2 E) 3ℎ F) 8ℎ G) 5ℎ H) 6ℎ I) 7ℎ J) 4ℎ

Principles of Physics: A Calculus-Based Text
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Chapter7: Conservation Of Energy
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A block slides down a frictionless ramp of height ℎ. It reaches speed ? at the bottom. To reach a speed of 2?, the block would need to slide down a ramp of which height? Choose the correct answer from the following options list below.

 

options:


A)

2ℎ

B)

C)

(√2)ℎ

D)

ℎ/2

E)

3ℎ

F)

8ℎ

G)

5ℎ

H)

6ℎ

I)

7ℎ

J)

4ℎ

 

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