When would you have the most kinetic energy? A. Walking on a road
B. Walking up a stair
C. Running on a track
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C. Running on track

Explanation:

kinetic energy depends upon velocity

(or speed of object )

hence , more the velocity ,

more kinetic energy it have.

so during running , we are in highest velocity

7.5 tablespoons of salt

Explanation:

The old aquarium had 20 gallons of water while the new aquarium had 50 gallons of water.

If 20 gallons of water required 3 tablespoons of salt

50 gallons of water will require: 50 x 3/20 = 7.5 tablespoons of salt

Hence, 7.5 tablespoons of salt should be added to her new aquarium.