Astudent forms the following hypothesis: if people eat white chocolate, then they will be happier. what is/are the problem(s) with this hypothesis?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical