For a droplet emerging from a sprinkler, the velocity magnitude parallel to the direction of gravity can be modeled by: where is the initial velocity on exit from the sprinkler, is the magnitude of acceleration due to gravity, and is the time. Which statement is true:

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly