A car accelerates uniformly from rest to a speed of 20 m/s in 5 seconds. What is the car's acceleration and how far does the car travel during this time?
a=4m/s^2 S=50m
A 10 kg object is pushed with a force of 50 N. What is the object's acceleration?
5m/s
A 2 kg mass is dropped from a height of 10 meters. What is its velocity just before hitting the ground? (Ignore air resistance, g = 9.8 m/s²)
14m/s
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