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BEHEMOTHIN
Answered

A tennis ball is travelling at 50 m/s and has a kinetic energy of 75 J. Calculate the mass of the tennis ball.

Sagot :

SCHUYLER70IN

Answer:

m = 0.06kg

Explanation:

Kinetic Energy (KE) = ½mv²

KE = 75 J

v = 50 m/s

m = ?

➞ 75 = ½ × m × (50)²

➞ 75 = ½ × m × 50 × 50

➞ m = 75 × 2/50 × 50

➞ m = 150/2500

➞ m = 0.06kg

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