(HELP ASAP PLEASE) Imagine an object moving at a constant velocity. With respect to the magnitude and direction of the object’s velocity: 1. Describe what happens if a force acts on the object in a direction parallel to its velocity. 2. Describe what happens if a force acts on the object in a direction perpendicular to its velocity. 3. Explain the source, direction, and effect of the force acting on satellites in orbit around Earth.

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?