If a rock climber accidentally drops a 52.5-g piton from a height of 325 meters, what would its speed be just before striking the ground? ignore the effects of air resistance.

What is the acceleration of a baseball when it is moving upward after being tossed directly upward?

What is the half life of a radioactive isotope that decreased to one-fourth its original amount in 100 year

A wagon is pulled at a speed of 0.40/s by a horse exerting 1,800 newton horizontal force. what is the power of the horse? power=work x joules work=force times distance

A patient needs surgery to open a clogged heart artery. This patient should look for a surgeon who is an expert in which of the following?

Which has the largest range in air 1. alpha particle, 2. beta particle 3. gamma rays 4. neutron

When water is in a container the surface of the water is curved what the curve called?

A ship captain uses a steering wheel called a helm to turn the rudder of a sailing ahip. Do you thjnk it would be easier for him to turn a large wheel or a small wheel? explain why you think so

Potential energy and kinetic energy are created when work is done to change a position (PE) or a state of motion (KE). Ignoring friction, how does the amount of work done to make the change compare to the amount of PE or KE created? a.

The wavelength of a wave is the wavelength of a wave is how strong the wave is. equal to the speed of the wave times the wave's frequency. the distance between where the wave is emitted and where it is absorbed.

What is a carbon whip?