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A spring is kept compressed by a toy car...

A spring is kept compressed by a toy cart of mass 150 g.On releasing the cart.It moves with a speed of 0.2 m`s^(-1)` .Calculate the potential energy (elastic)of the spring .

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To solve the problem of calculating the potential energy (elastic) of the spring when a toy cart is released, we can follow these steps: ### Step 1: Identify the mass of the toy cart The mass of the toy cart is given as 150 grams. We need to convert this mass into kilograms because the standard unit of mass in physics is kilograms (kg). \[ \text{Mass (m)} = 150 \text{ g} = \frac{150}{1000} \text{ kg} = 0.15 \text{ kg} \] ...
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