Answer:
m = 75 Kg
Step-by-step explanation:
Given data:
Energy = 33750 J
Speed of object = 30 m/s
Mass of an object = ?
Solution:
Formula:
E = 1/2mv²
by putting values,
33750 J = 1/2 × m × (30 m/s)²
m = 2×33750 J/ (30 m/s)²
m = 67500 J /900 m²/s²
J = kgm²/s²
m = 75 Kg