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Q. A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 1.2 cm, and the toy is released. If the spring constant is 103 N/m, what is the magnitude of the spring force acting on the the toy at the moment it is released?

Q. Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 34.0 mph and half the distance at 62.0 mph. On her return trip, she drives half the time at 34.0 mph and half the time at 62.0 mph.

What is Julie's average speed on the way to Grandmother's house?
What is her average speed on the return trip?

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Category:- Physics
Reference No.:- M9271440

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