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Chapter 3: Q. 3.23 (page 73)

Indicate whether each of the following statements describes potential or kinetic energy?

a. water at the lop of a waterfall

b. kicking a ball

c. the energy in a lamp of coal

d. a skier at the top of a hill

Short Answer

Expert verified

a. Water at the lop of a waterfall - Potential Energy

b. Kicking a ball - Kinetic Energy

c. The energy in a lamp of coal - Potential Energy

d. A skier at the top of a hill - Potential Energy

Step by step solution

01

Given information (a)

(a) Potential or Kinetic energy of water at the lop of a waterfall

02

Explanation (a)

(a) Water atthe highest of a water fall describes P.E.

03

Given Information (b)

(b) Potential or Kinetic energy of kicking a ball

04

Explanation (b)

(b) Kicking a ball describes K.E.

05

Given Information (c)

(c) Potential or Kinetic energy of the energy in a lamp of coal

06

Explanation (c)

(c) The energyduring a lump of coal is P.E.

07

Given Information (d)

(d) Potential or Kinetic energy of a skier at the top of a hill

08

Explanation (d)

(d) Skier atthe highest of a hill describesP.E..

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