A puddle holds 150 grams of water. if .50 grams of water, Ask an Expert

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Q1. On a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest.

(a) Determine the maximum speed of the object.
1 m/s

(b) Determine the speed of the object when the spring is compressed 1.5 cm.
2 m/s

(d) For what value of x does the speed equal one-half the maximum speed?

Q2. A puddle holds 150 grams of water. If .50 grams of water evaporates from the surface, what is the approx temperature altering of the remaining water? Suppose no thermal energy transferred to the ground or the air. (Lv=540 calories/grams)

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