Which of the following is a true statement

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?

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery