Question: Which of the following has the most kinetic energy?

Answer Choices:

A. a 25-kg fish tank sitting on a table

B. a 50-g fish swimming in a fish tank

C. a 7,500-kg car parked on a steep hill

D. a 50-kg boulder suspended from a cliff

B: a 50-g fish swimming in a fish tank.

Explanation:

I chooses B because kinetic energy is energy present in moving bodies or objects. And the fish swimming has kinetic energy because it is moving

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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