What statement about speed and or velocity is true? A. speed is constant B. speed is measured over time C. Velocity has both speed and direction D. Speed has direction and velocity

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

Ascientific blank must be testable and capable of being proven false?

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.