A satellite moves around the Earth in a circular orbit of radius r. What is the speed vi of the satellite?

Forces that are unequal in size but opposite in direction will cause movement. A) true B) false

With what average speed must you drive your car if your average speed for the entire 23 km is to be 25 km/h?

If I push a 50kg mass with an applied force of 100N, then what was the maximum kinetic friction of the mass only accelerates at 1.5m/s^2?

You are on an elevator that is plummeting toward the ground at 30 m/s and you jump up right before it hits the ground. you jump upward with a velocity of 5 m/s. at what speed do you hit the ground?

The area of a rectangular loop of wire is 3.6 * 10-3 m2. The loop is placed in a magnetic field that changes from 0.20 T to 1.4 T in 1.6 s. The plane of the loop is perpendicular to the direction of the magnetic field.

A crowd in a stadium is heard by a man standing 823.2 m away. The man hears the noise 2.5 seconds after the noise occurs. How fast was the sound traveling? What's the answer?

Which is not support the theory of plate tectonics?

the acceleration of a body in free fall depends on the place or the world in which it is, true or false?

A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. the square loop is then re-formed into a circular loop, which also consists of a single turn and is also perpendicular to the same magnetic field.

A thin cylindrical shell and a solid cylinder have the same mass and radius. The two are released side by side and roll down, without slipping, from the top of an inclined plane that is 1.8 m above the ground.