An alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.

The organized set of rules to assign names to chemical compounds is called:

A tennis ball is released from a height of 2.0 m above the floor, and then bounces three times. With each bounce, dissipative forces cause it to lose 16.0% of its mechanical energy. How high does it reach after the third bounce?

A worker drives a spike into a rail tie with a 2.00-kg sledgehammer. This caused the internal energy of the hammer and spike to increase by 1,250 Joules.

If we increase the force applied to an object and all other factors remain the same that amount of work will A. Decrease B. Remain unchanged C. Increase D. Decrease the increase

The resistance of a liquid to flowing is its? a. pressure. b. temperature. c. viscosity. d. volume.

During a demonstration of the gravitational force on falling objects to her class, Sarah drops an 11 lb. bowling ball from the top of the science building. Determine distance the ball has traveled after falling for 1.

A teacher wants to demonstrate that unheated water can boil at room temperature in a beaker within a bell jar connected to a vac-uum pump. However, the vacuum pump is faulty and can reduce pressures only to 15 kPa.

How many btus of heat energy are needed to raise the temperature of 99.6 lbs of water from 50 °f to 130 °f?

What is a different form of a characteristic, such as brown hair, is called

A book falls of the table and hits the floor. Is work done? Why?