The average density of the sun is on the order 103 kg/ m3 . (a) estimate the diameter of the sun. (b) given that the sun subtends at an angle of about half

What is the most useful equation for electric power?

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

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?