Predict its location at t= 4s. At t= 6 s, a car is at 400 m. If at t=12s, it is at 1300 m, how fast is the car driving?

the answer is a. at the equator

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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