Spread 400gm of sand homogenously in pne saucer and put 400gm of water i n another saucer and place them under the sun. When the temperature is measured after 10minutes, the temperature of the sand is found to be more than that of water, why

Select the three ways that the parallel-plate capacitor differs from a car battery.

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?

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