A biker accelerates from rest to 10 m/s in 5 seconds. What is the biker's acceleration? Calculate for the missing variable
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An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Does heating a metal wire increase or decrease its electrical resistance? why?