How are roller coasters designed to produce a sense that the coaster is traveling faster than it really is travelling?

If a sheep is running at 3.0 m/s with a mass of 60 kg what is its kinetic energy

G: assume that, at a certain angular speed ω2, the radius r becomes twice l. find ω2.

He force between two long parallel conductors is 15 kg/metre. the conductor spacing is 10 cm. If one conductor carries twice the current of the other, calculate the current in each conductor.

What is the independent variable and dependent variable if the question is How much weight can you add to a boat before it sinks?

What happens to the bond angle when you add or remove an electron domain

Which of the following has the largest gravitational potential energy A. a 10kg dog running down the street at 30mph B. a tightrope walker slowly crossing niagara falls C. a 0.02kg bullet moving down the barrel at 800mph D.

Why does the speed of an object change when a force acts on it?

What are factors that would change the position of the wave lengths measured? (There are more than one answer.) a) size of the tube b) tuning fork frequency c) distance between the tuning fork and tube d) room temperature e) area of the tube

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion