The Electromagnetic Spectrum is arranged by a. energy levels b. wavelength
C. colors
d. visible light

answer fast pls

Ahot-air balloon is drifting straight downward with a constant speed of 2.40 m/s. when the balloon is 7.63 m above the ground, the balloonist decides to drop one of the ballast sandbags to the ground below. how much time elapses before the sandbag hits the ground?

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.