(a) Calculate the height of the hill using m=230.0 g and VB = 3.8 m/s (b) What is the coefficient of kinetic friction along the horizontal surface if d=14 m?

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Chapter8: Potential Energy And Conservation Of Energy
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Show all work please, I am so confused. Thank you!

A miniature hill in a child's toy collection is shown below.
When released at A, a mass m slides down the path shown
below, reaching the bottom (B) with a speed of VB. Assume
that the hill has negligible friction. The block then slides
along the rough horizontal surface a distance d before
coming to rest at C.
When solving parts (a) and (b):
I. Write the useful description about what is known and
unknown.
II. Write down the physics principle or strategy you will
use.
III. Symbolically solve for the unknowns
(a) Calculate the height of the hill using m=230.0 g and vB =
3.8 m/s
(b) What is the coefficient of kinetic friction along the
horizontal surface if d=14 m?
Hint: Treat the motion down the hill and the motion down
the rough horizontal surface as two distinct problems.
What physics concepts can you apply for each?
A
|▬▬▬
h
VB
B
d
Transcribed Image Text:A miniature hill in a child's toy collection is shown below. When released at A, a mass m slides down the path shown below, reaching the bottom (B) with a speed of VB. Assume that the hill has negligible friction. The block then slides along the rough horizontal surface a distance d before coming to rest at C. When solving parts (a) and (b): I. Write the useful description about what is known and unknown. II. Write down the physics principle or strategy you will use. III. Symbolically solve for the unknowns (a) Calculate the height of the hill using m=230.0 g and vB = 3.8 m/s (b) What is the coefficient of kinetic friction along the horizontal surface if d=14 m? Hint: Treat the motion down the hill and the motion down the rough horizontal surface as two distinct problems. What physics concepts can you apply for each? A |▬▬▬ h VB B d
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