in rutherinto the forest Alpha particle scattering experiment with their code for 8100 scintillations per minute are observed at an angle of 60 degree then number of scintillations per minute at 120 degree will be

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

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?