When Jenny writes, the pencil exerts a force of 5n on the paper. The area of the contact is 0.5mm square. Calculate the pressure.

A 16.3 kg person climbs up a uniform 137 N ladder. The upper and lower ends of the ladder rest on frictionless surfaces. The bottom of the ladder is fastened to the wall by a horizontal rope that can support a maximum tension of 116 N.

A certain automobile manufacturer claims that its super-deluxe sports car will accelerate from rest to a speed of 42.3 m/s in 8.02 s. find the acceleration of the car. assume that the acceleration of the car is constant. answer in units of m/s 2.

The volume of a gas increases from 18.7 m3 to 25.1 m3 while the pressure changes from 1.82 atm to 1.41 atm. If the initial temperature is 353 K, the final temperature of the gas is K.

Imagine the door to a theater is opened and you are standing outside. How is it possible that you can hear the sound of the movie or play, even if you cannot see the screen or stage?

Explain how your weight would change if you were on a space ship traveling to the moon

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

What do you mean by kintic theory of matter

What do u think is the smallest piece that you could break sand into

You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 36.761s for the dart to land back at the barrel.