do blood cells have a rigid cell wall

When a current flows through a light bulb, it emits 30 J light energy in 2 seconds, What is the power of the bulb?

Why is water pressure greater at the bottom of the deep end of a pool?

Set the mass of person one at 10 kg and the mass of person two at 10 kg. The two people may be any distance apart. Note the force between them. This is the initial condition Mass 1 (kg) Mass 2 (kg) Distance (m) Force of Gravity (N)

Why do you think slate might be denser than shale?

How does a body move if it's constantly under force?

Under what conditions will the front of a glacier remain stationary?

Two technicians are discussing the need for the history of the vehicle. Technician A says that an accident could cause faults due to hidden damage. Technician B says that some faults could be related to a previous repair.

John rides his bike with a constant speed of 12 miles per hour. How far can he travel in 2 hours?

In a radio, amplitude refers to encoding a wave with information by: a) adjusting the height of the waves b) adjusting how many waves are produced per second c) turning the wave on and off d) changing the medium in which the waves travel

A ball is dropped from a height of 120 meters. If it takes 2.00 seconds for a ball to fall 60 meters, how long will it take the ball to reach the ground?