A wheelbarrow is a good example of a second-class lever. True or False

Answer the three questions below that pertain to atomic orbitals. Part A: No two electrons can have the same set of quantum numbers. This idea is known as what? There is no name for this idea.

If a boy (m = 50kg) at rest on skates is pushed by another boy who exerts a force of 200 N on him and if the first boy's final velocity is 8 m/s, what was the contact time?

When a 2.60-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.86 cm. (a) What is the force constant of the spring? N/m (b) If the 2.60-kg object is removed, how far will the spring stretch if a 1.

What happens during operant conditioning? O A. an individual learns to associate a behavior with its consequence OB. an individual learns to associate two stimuli OC. an individual learns to disassociate himself from a stimulus OD.

Is there a difference between radial velocity and angular velocity or are they the same thing? If yes, where is the difference?

Can rocks be weathered by wind and chemicals in the air

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.

What's a scientific inquiry

Calculate work If force of 50 Newton's and distance is 6 meters.

What heats up hot chocolate faster? milk or water?