A ball has a mass of 140 g. what is the force needed to accelerate the ball at 25 m/s2?

Bonnie and clyde are sliding a 300 kg bank safe across the floor to their getaway car. the safe slides with a constant speed if clyde pushes from behind with 445 n of force while bonnie pulls forward on a rope with 350 n of force.

Does the earths magnetic field reverse every year or so?

What are characteristics of unstable air?

How does weight affect the time it takes an object to hit the ground?

What animals were delisted in july 2019?

How does the resistance of the following change with rhe rise in temperature? pure metals and German silver and carbon

A ball thrown straight upwards with an initial velocity of 15 m/s. Calculate how long the ball will remain in the air and the maximum height the ball reaches?

What is the upward force of the floor on the toes of one foot?

What is the difference between nuclear energy and light energy?

Two stars, x and y, have the same temperature. star x is ten times more luminous than star y. which star has the larger radius