Topic 4 ppq Flashcards
1
Q
Velocity = 12 m/s
Mass = 68 kg
Work = 1600 J
Distance = 28 m
Calculate the average force the cyclist exerts
A
2
Q
RTG has an efficiency of 7% Calculate the useful energy transferred when 1300 J of energy is wasted
Efficiency = Useful energy / total energy x 100
A
3
Q
RTG contains an isotope that releases energy as it decays. Suggest one property the isotope must have to be suitable for use in RTG
A
4
Q
Distance = 1.3 m
Mass = 7.26 kg
Calculate the GPE gained by the shot
A
5
Q
The earth exerts 150 N of force on the rock
Work done = 2700 J
Calculate height
A
6
Q
State the value of KE of the rock before it hits the ground
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6
Q
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6
Q
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7
Q
The mass of the rock is 15 kg. Calculate the velocity
A
7
Q
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8
Q
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9
Q
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