redesign the circuit in fig 9.4 to reduce the power by factor of 5 while maintaining the smae voltage​

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

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

Coal contains energy. a. light b. kinetic c. chemical d. mechanical