Which activity would be best for a 12-year-old who has a target heart rate of 110 bpm? 1. Shoot basketball hoops
2. Swim fast laps in a pool
3. Play a game of basketball
4. Run one mile in six minutes

they start with the same

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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