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You are driving home from school steadily at 98km/h for 130km . It then begins to rain and you slow to 65km/h. You arrive home after driving 3 hours and 30 minutes.
1. What was your average speed?
2. How far is your hometown from school?
a 100g on object is suspended from a spring. When 40 g are added the soring stretches an additional 5.0 cm. with the total mass of 1140 g the spring is set into vertical oscillations with amplitude of 10cm. What is the total energy of the oscillati..
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a police camera is designed to read the plate number on a speeding car. what is the diameter of the camara's aperture
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