An organism’s scientific name consists of a. its class name and its family name. b. its kingdom name and its phylum name. c. its genus name and its species name. d. its phylum name and its species name. select the best answer from the choices provided a b c d

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?

How does changing the frequency affect the energy of the wave?