What is the centripetal force that would be required to keep a 4.0 kg mass moving in a horizontal circle with a radius of 0.80 meters at a speed of 6.0 meters/second?

A new car owner wants to show her friend

determine which of the following must change when pitch gets higher a. amplitude b. frequency c. wavelength d. intensity e. speed of sound waves

1. Go onto the Newsround website or article 2. Search "School girl banned for Muslim dress" Answer this question: Who is Sobia?

While jumping on a trampoline you calculate that at the highest peak of your jump you have 900 joules of gravitational potential energy. What will be your kinetic energy just before landing back on the trampoline?

What happens to the period of revolution for the planets as they move farther away in position from the sun

What wave-like property of light causes it to bend when encountering an opening? A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

Which of the following statements describe sliding friction? Select all that apply. 1.) a force that causes an object to increase speed 2.) a force in which one of the objects involved must be a liquid or a gas 3.

What do a broken rode and a volcano eruption have in common

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?

All of the following shows density and buoyancy except: A. ice cubes floating in a glass of iced tea B. the amount of hot soup contained in a bowl C. a hot air balloon moving through the air D. a boulder resting at the bottom of the ocean