If you dropped a ball while standing on the surface of Katar, at what rate would it accelerate toward the ground

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?

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion