Does friction depends on the nature of two syrfaces which are in contact with each other

In which kingdoms are all organisms multicellular

What type of energy transformation occurs when a light bulb is turned on? Electrical energy is transformed into heat and mechanical energy. Electrical energy is transformed into heat and light energy.

If all the forces acting on a book are balanced

What is the resistance of a 15 ampere current with 8 volts of potential difference?

A red car with a mass of 3.0 kg traveling at 8 m/s collided with a blue car with a mass of 2.0 kg, which is at rest. The velocity of the blue car after the elastic collision is 9.6 m/s. What is the velocity of the red car?

How many photons are absorbed during the dental x-ray?

A positively charged glass rod attracts object x. The net charge of object x

As an airplane taxies on the runway with a speed of 16.5 m/s, a flight attendant walks toward the tail of the plane with a speed of 1.22 m/s. what is the flight attendant's speed relative to the ground?

Why is electronic balance more accurate?

A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?