An elevator (mass 4125 kg) is to be designed so that the maximum acceleration is 0.0400g.

What is the maximum force the motor should exert on the supporting cable?

What is the minimum force the motor should exert on the supporting cable?

If 2.0J of work is done in raising a 1.5lb. watermelon, how far is it lifted?

A ball of mass 1.5kg is struck by a bat in the opposite direction to the motion of the ball. Before the impulse the ball is travelling at 16ms^-1 and the impulse of the bat on the ball is 50 Ns.

What measures the number of electrons that are flowing in current electricity? Measured in amperes.

Which statement describes an open circuit? The circuit is incomplete and broken, and the lights in the circuit shine. / The circuit is complete and unbroken, and the lights in the circuit shine.

What is happening in the brain, because people are so rude?

Which method would you use to find the volume of an irregular shaped object?

A step up transformer has a primary coil with 100 turns and a secondary coil with 25 turns if the input voltage in the primary coil is 40 volts what is the output voltage reduced to in the secondary coil A) 20 volts B) 35 volts C) 4 volts D) 10

An instrument used to measure atmospheric pressure is called a

A 200-kg boulder is 1000-m above the ground. what is its potential energy?

The law of reflection states that if the angle of incidence is 81 degrees, the angle of reflection is ___ degrees.