A child on roller skates pushes off against the wall with a force of 40N. How far must the child push themselves away from the wall (starting from rest), so that his final kinetic energy is 275J?

Why does the midi system (sound system) have the widest range of frequencies?

A small light cylinder and a large heavy cylinder are released at the same time and roll down a ramp without slipping. Which one reaches the bottom first? A. Small cylinder B. Large cylinder C. Both reach the bottom at the same time.

There are two molecules with the formula C2H6O. Draw electron-dot structures for both. (Hint: The connection of atoms is different in the two structures.)

What is ozone and why is it important?

Ryan and Becca are moving a folding table out of the sunlight. A cup of lemonade, with the message 0.44 kg is on the table. Becca lifts her end of the table before Ryan does, as a result, the table makes an angle of 150.0° with the horizontal.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth