If an object has a mass of 20 kg, what is the force of gravity acting on it on earth? A. 32.67 N B. 2.04 kg C. 1.96 kg D. 196 N

What are the two principal parts of all levers

According to Newton's third law, what is likely to happen if you attempt to jump horizontally from a small boat to the dock before the boat is securely tied up? A. The boat will sink from being pushed down. B.

Convert these numbers to scientific notation: then multiply and divided 350*8,500,000/0.006*4000

The car below emits sound waves, represented by red circles, that are heard by an observer. based on the pattern of sound waves, what is the direction and speed of the car?

What is the maximum acceleration the belt can have without the crate slipping? express your answer using two significant figures?

If the temperature of water warming on a hot plate rises 10 degrees Celsius [°C], what is the change in temperature in units of degrees Fahrenheit [°F]? g

Giant electric eels can deliver a voltage shock of 5.00 * 102 v and up to 1.00 a of current for a brief time. what is the maximum power a giant electric eel can deliver to its prey during this time?

What is the molecular geometry of a molecule with four bonding domains and one nonbonding domain?

A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The trains collide. After the collision the green train moves with a speed of 3 m/s. What is the final momentum of the blue and green train combined? A.

A) A 5.00-kg squid initially at rest ejects 0.250 kg of fluid with a velocity of 10.0 m/s. What is the recoil velocity of the squid if the ejection is done in 0.100 s and there is a 5.