AnswersPhysics Sem 1 2025-2026Lab: Mechanical Equivalent of Heat

Lab: Mechanical Equivalent of Heat Answers

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101982

Use the data provided to calculate the gravitational potential energy of each cylinder mass. Round your answers to the nearest tenth.

Answers:
Blank 1:14.7
Blank 2:29.4
Blank 3:44.1
101985

Use the drop-down menus to complete the statements.

Answers:
When the 3.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C.:28.52
When the 3.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C.:3.52
When the 9.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C.:35.55
When the 9.0 kg cylinder fell 500 m, the final temperature of the water was °C and the change in temperature was °C.:10.55
101986

1.17✔ 3.527.03

A
1.17
B
✔ 3.52
C
7.03
101987

28.5232.03✔ 35.55

A
28.52
B
32.03
C
✔ 35.55
101988

3.527.03✔ 10.55

A
3.52
B
7.03
C
✔ 10.55
101989

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101990

Use the data provided to calculate the amount of heat generated for each cylinder height. Round your answers to the nearest tenth. 100 m: kJ 200 m: kJ 1000 m: kJ

Answers:
Part 1:4.9
Part 2:9.8
Part 3:49.1
101991

When the height of the cylinder increased by a factor of 5, from 100 m to 500 m, what happened to the cylinder’s gravitational potential energy?

A
It decreased by a factor of 10.
B
It decreased by a factor of 5.
C
It increased by a factor of 5.
D
It increased by a factor of 10.
101992

When the height of the cylinder increased from 100 m to 1000 m, what happened to the amount of heat generated in the system?

A
It decreased by a factor of 10.
B
It decreased by a factor of 5.
C
It increased by a factor of 5.
D
It increased by a factor of 10.
101993

When the mass of the cylinder increased by a factor of 3, from 1.0 kg to 3.0 kg, what happened to the cylinder’s gravitational potential energy?

A
It decreased by a factor of 3.
B
It decreased by a factor of 2.
C
It increased by a factor of 2.
D
It increased by a factor of 3.
101994

When the mass of the cylinder increased from 3.0 kg to 6.0 kg, what happened to the amount of heat generated in the system?

A
It decreased by a factor of 3.
B
It decreased by a factor of 2.
C
It increased by a factor of 2.
D
It increased by a factor of 3.
101995

Based on the graph, what kind of relationship exists between the change in temperature of the water and the gravitational potential energy of the cylinder?

A
It is an inverse relationship.
B
It is a direct relationship.
C
It is an indirect relationship.
D
It is a cyclic relationship.
101996

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101997

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101998

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Answer:

29.4

101999

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