Applies an input force of 50 n to a crowbar. The crowbar applies a force of 750 n to the lid of a crate. What is the mechanical advantage of the crowbar?

What is the maximum value of the electric field in an electromagnetic wave whose average intensity is 4.50 w/m2?

Least common shape for a galaxy is

A passenger in a car is holding an open water bottle when the car stops suddenly. Why does the water in the bottle splash out when the car stops? It is in static equilibrium. It has less friction. It has inertia. It loses gravity when in motion.

Convert 32km/hr to m/s

The ability of a material to flow is called conductivity. malleability. density. viscosity.

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction