Which factors affect friction between two solid surfaces? Check all that apply. the weight of the objects the surface area of the objects the shape of the objects the roughness of the objects' surfaces

Apply List two everyday devices that use DC and two everyday devices that use AC.

Calculate the power of a 120V drill that uses 15A of electricity.

Which changes would most likely limit the growth of a plant-eating animal population

The force requires to maintain an object at constant velocity in free space is equal to?

A 25,000-kg train car moving at 2.50 m/s collides with and connects to a train car of equal mass moving in the same direction at 1.00 m/s. How much does the kinetic energy of the system decrease during the collision?

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.

Do you mind if I use this example for my assignment?