A 0.06 kg ball is attached to the end of a 0.30 m long string. The ball is spun around a circle with a period of 0.90s. What is the tension force in the string?

im sorry i dont know

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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