Explain why a magnet from your refrigerator could not be used to life something as heavy as a car?

Thermal energy flowing from one place to another is called what? a. heat b. temperature c. molecular motion d. potential energy

A body will maintain a constant negative electrostatic charge if the body A) maintains the excess of electrons B) continously receives more protons than it loses C) continuously receives more electrons than it loses D) maintains the same excess of

A wire with a weight per unit length of 0.075 N/m is suspended directly above a second wire. The top wire carries a current of 29.2 A and the bottom wire carries a current of 59.1 A.

A computer with a resistance of 52.7 Ω has a power input of 210.0 W. Calculate the current in the computer. Round your answer to the nearest whole number.

A soccer ball is kicked at an angle of 30° to the horizontal with an initial velocity of 16 m/s. How high does the soccer ball go? A: 9.8 m B: 3.3 m C: 0.6 m D: 0.2 m

Why is it important to balance a chemical equation? A. It is not important to balance a chemical equal B. To make sure you have the correct products C. To make sure you have the correct reactants D. To obey the law of conservation of mass

The presence of icicles hanging off the eaves of a wood-framed structure is most likely due to: heavy snow followed by a thaw. improper insulation in wall cavities. use of a poor-quality roof sheathing material. lack of proper roof ventilation.

Both gravitational potential energy and kinetic energy depend on

How much work is done when a 105 g tomato is lifted 19.2 m?

Suppose a body has a mass of 60 kilograms and a velocity of 2 meters per second upward. What is the linear momentum?