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Oak National Academy
12 questions
Two balls roll the same distance; ball A takes 4 s and ball B takes 3 s. Which statements are correct?
Which of these are units for speed?
Which pieces of information are needed to find the average speed of a toy car rolling across a desk?
Five swimmers complete a 200 m race. Their finish times are shown. Starting with the fastest, put the racers in order of average speed.
A bus is travelling at 2 m/s and moves for a time of 30 s. Which of these shows how to calculate the distance the bus has travelled?
A skater in a race travels a distance of 800 m in a time of 125 s. Calculate their speed.
Match the key words to the explanations.
Which feature of a dynamics trolly allows it to roll without slowing down much?
Which of these measures should be taken to accurately measure the time it takes for a dynamics trolley to roll between two points on a ramp?
A dynamics trolley is rolled a distance of 1.5 m, taking 3.0 s to cover the distance. What is the average speed of the trolley?
A dynamics trolley is released on ramps with different gradients and is found to have a greater average speed on the steepest ramp. Which of these statements help explain the results?
A student times a trolley rolling 1.00 m down a ramp three times. The times were 3.24 s, 3.44 s and 3.36 s. Calculate the average speed of the trolley.
