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Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
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The curved line PQR is the velocity–time graph for a car starting from rest. What is the average acceleration of the car over the first 5 s?
A ball is thrown horizontally with a speed of 10.0 m s–1 above horizontal ground. The ball hits the ground after a time of 3.0 s. Air resistance is negligible. What is the speed of the ball just before it hits the ground?
An object is moving along the ground in a straight line at a constant speed. Which statement about the resultant force acting on the object is correct?
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What is a statement of the principle of conservation of momentum?
A horizontal wooden plank is pivoted at one end, as shown. The plank has a mass of 100 kg and a length of 10 m. The centre of gravity of the plank is a distance of 4 m from the pivot. What is the moment of the weight of the plank about the pivot?
When must an object be in equilibrium?
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The total energy supplied to an electric motor is E. Energy Q is wasted and the remaining energy does useful work. What is the efficiency of the motor?
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Refer to the diagram for the question.
A car travels anticlockwise along a horizontal circular road of radius 12 m, as shown. The car takes a time of 4.0 s to move from position P to position Q. What is the magnitude of the average velocity of the car for the journey from P to Q?
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Which statement is not a requirement of a pair of forces that obey Newton’s third law of motion?
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Two forces form a couple. Which statement describes the two forces?
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Which product of two quantities is equal to power?
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Forces of magnitudes 2 N, 4 N and 7 N combine to produce a resultant force. The magnitudes of the three forces are fixed, but the forces may act in any direction in the same plane. What is not a possible magnitude of the resultant force?
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Refer to the diagram for the question.
A car accelerates from rest. The graph shows the variation of the momentum of the car with time. What is the meaning of the gradient of the graph at a particular time?
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What is meant by the efficiency of a system?
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Refer to the diagram for the question.
Which statement describes the two forces in a couple?
Crack the passcode before the zombies get in.
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Electromagnetic Induction
30 questions
