A force of 4 N produces an acceleration of 3 m/s^2 on an object of an unknown mass.

1. What is the mass of the object?

2. If the force is increased to 6 N, what is the acceleration?

An escalator carries you from one level to the next in an airport terminal. the upper level is 4.3 m above the lower level, and the length of the escalator is 7.5 m. assume that your mass is 64 kg. you may want to review (pages 289 - 292).

A light wave travels through air in equals 1.00 at an angle of 35 degrees what angle does it have when it passes from the air into the glass n equals 1.50

A bimetallic strip consists of two 1-mm thick pieces of brass and steel bonded together. At 20 C, the strip is completely straight and has a length of 10 cm. At 30 C, the strip bends into a circular arc.

Give a sentence with the word velocity in it

You toss an apple from 5 m tree. The apple hits your head on the ground that is 7 m away from the tree. How fast did you throw the apple?

What is the pressure amplitude for the threshold of human hearing?

1. Does the validity of the principle of conservation of momentum depend on the validity of Newton's 3rd law of motion?

A mass of 8 kg. moves at a rate of 14.3m / sec. what is the KE developed by the mass

The uniform circular motion of a space station can be used to create artificial gravity. This can be done by adjusting the angular speed of the space station, so the centripetal acceleration at an astronaut's feet equals g, the magnitude of the

A machine called a centrifuge is used in