Hi! In 3 seconds the object will fall approximately 44 meters.
Stairs don't have any power at all. All the energy used to climb them
has to come from your muscles.
An elevator gets its power from the electric motors that lift it. All YOU
have to do is stand there and look around.
All of this is a big part of the reason why elevators have become so
popular, and why no buildings with more than a few floors were built
before elevators were invented.
Work = force x distance
= 100N (force) x 0.5m (distance)
= 50J
The Kepler mission is specifically designed to survey a portion of our region of the Milky Way galaxy<span> to discover dozens of Earth-size planets in or near the </span>habitable zone<span> and determine how many of the billions of stars in our galaxy have such planets</span>
Velocity. Since velocity consists of a speed and a direction, acceleration is a change in speed, or direction, or both.