A hockey puck is hit by a hockey player at the goalie. The puck is hit with a 1200

newton force. The stick made contact for 0.1 seconds. What impulse was given to

the puck?

435 millivolts equals how many volts

Isaac throws an apple straight up from 1.0 m above the ground, reaching a maximum height of 35 meters. Neglecting air resistance, what is the ball's velocity when it hits the ground?

F=kxk = ? A.) F/x B.) x/F C.) F+x D.) F-x

The minimum energy needed to eject an electron from a sodium atom is 4.41 x 10-19 j. what is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium?

Can the earth sustain our infinite wants with its finite amount of resources? explain.

At one instant, the center of mass of a system of two particles is located on the x-axis at 2.0 cm and has a velocity of (5.0 m/s) ˆx. One of the particles is at the origin. The other particle has a mass of 0.

A 91 kg block is released at a 6 m height as shown. The track is frictionless. The block travels down the track, hits a spring of force constant k = 1968 N/m. The acceleration of gravity is 9.

Why do charges build up on clothing in an electric dryer?

Two plates with area A are held a distance d apart and have a net charge + Q, and - Q, respectively. Assume that all the charge is uniformly distributed on the inner surfaces of the plates.

A circuit contains two 2,000 resistors connected in parallel. What is the total resistance of the circuit?