A hammer is dropped on PlanetX. If the hammer has a mass of 3kg and a weight of 9n, what is the gravitational acceleration of Planet X and is it more or less than that of earth?

Consider the following four force vectors: F1 = 50 newtons, due east F2 = 10 newtons, due east F3 = 40 newtons, due west F4 =

A sound system is designed to produce a 1.0W/m2 sound intensity over the surface of a hemisphere 20 m in radius. What acoustic power is needed from an array of speakers at the center of the sphere?

A living factor in an ecosystem, such as plants or animals. Abiotic or biotic

Two technicians are discussing master cylinders. Technician A says that it is normal to see fluid movement in the reservoir when the brake pedal is depressed.

Use this formula to solve this problem: Power (P) = Work (W) : time (t) Peter's body supplies a force of 500 N to run up a 5 meter hill in 10 seconds. How much power is involved in Peter's run up the hill?

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching

Why are glass fibers stronger than bulk glass?