How much force is needed to accelerate a 70 kg rider and her 200 kg motor scooter at 4 m/s/s?

Blank liquids and gases exert a buoyant force on objects placed in them

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

J. j. thomson’s experiment disproved the theory that an atom