Due to friction a body A gets electrified. It looses 200 electrons to another body B. Find the charge acquired by the bodies A and B.

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?