Which substance requires the most heat to melt 1 kg of the substance? a. copper b. mercury c. gold d. helium

Write a question about how changing temperature affects the gas inside the sports ball

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z