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CAIE A-Level Physics AS 5.1.2 The Principle of Conservation of Energy Questions

Apply conservation of energy to account for transfers between kinetic, potential, thermal and other forms.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Apply conservation of energy to account for transfers between kinetic, potential, thermal and other forms.

CAIE A-Level Physics AS 5.1.2 The Principle of Conservation of Energy Questions question 1

[Maximum number: 1]

A block of mass 2.0 kg is released from rest on a slope. It travels 7.0 m down the slope and falls a vertical distance of 3.0 m . The block experiences a frictional force parallel to the slope of 5.0 N .

Figure for Question CAIE A-Level Physics AS 5.1.2 The Principle of Conservation of Energy Questions question 1 — CAIE A-Level Physics AS

What is the speed of the block after falling this distance?

A

4.9 m s−14.9 \mathrm{~m} \mathrm{~s}^{-1}

B

6.6 m s−16.6 \mathrm{~m} \mathrm{~s}^{-1}

C

8.6 m s−18.6 \mathrm{~m} \mathrm{~s}^{-1}

D

10 m s−110 \mathrm{~m} \mathrm{~s}^{-1}

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