Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

1.7.2 Kinetic Energy – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
What is the formula for kinetic energy?
mv
mgh
Fd
½mv2
2.
A 2.0 kg trolley moves at 3.0 m/s. Its kinetic energy is
9.0 J
3.0 J
6.0 J
18 J
3.
The speed of a car doubles. Its kinetic energy
doubles
is half
is four times greater
is unchanged
4.
A graph of kinetic energy against speed for a given mass is
a straight line through the origin
a horizontal line
a curve of decreasing steepness
a curve of increasing steepness (parabola)
5.
A 4.0 kg object has kinetic energy 50 J. Its speed is
5.0 m/s
12.5 m/s
25 m/s
3.5 m/s
6.
A braking force of 5000 N brings a car to rest over 20 m. The kinetic energy before braking was
250 J
25 000 J
100 000 J
4000 J
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Part of 1. Motion, Forces and Energy — see every lesson and quiz in this unit.
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