What besides mass and gravity, what other factor affects gravitational potential energy?

A spherical ball of weight 50 N is to be lifted over the step 5 cm high. the ball has radius 10cm front he flatter side and 20 cm from the round one (since it is a sphere). calculate the minimum force needed to just lift it above the floor

Radio waves travel at the same speed as ultra-violet rays. a. True b. False

In a polar convalent bond,

A box is pushed 40 m by a mover. the amount of work done was 2,240 J. How much force was exerted on the box

What is the measure of a change in an object's velocity? (this is all it asks, no answer choices)

A force of 5 N accelerates an object. The object's mass is 50 g. What is the acceleration of the object? (Formula: F=ma)

Which is a legacy of the enlightenment?

An instrument for observing very small objects is a. micrometer spectroscope microscope magnoscope

Who was copernicus and what have he done for science?

The state of matter that has particles that slide by one another