A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. How much centripetal force does she experience?

A) 0.16 N

B) 0.38 N

C) 57 N

D) 580 N

Which changes would result in a decrease in the gravitational force between two objects? Check all that apply.

6.) A hydraulic lift is used to raise a car. The piston has a surface area of 1 square meter. The pressure needed to lift the car is 20000 N per square meter. What is the weight of the car? Hint: solve for force since weight is a force.

What is the relationship between the line current i l and the phase current i1 in a balanced delta system?

What is astatine: a non-metal, a metalloid, or a metal?

Which choice best describes what our solar system contains besides the sun, eight classical planets, and their moons?

An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity

How did astronomers precisely determine the length of an Astronomical Unit in the 1960s?

If a 1.50 kg mass revolves at the end of a string 0.50 m long, and its tangential speed is 6.0 m/s, calculate the centripetal force.

Balanced forces can change an object's direction. A. True B. False

The state of matter that has particles that slide by one another