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3 votes
What is the mass of an object that creates 33,750J of energy by traveling at
30m/s?

User Sajith
by
5.6k points

2 Answers

1 vote
Apply the famous einteins equation....E=mc^2
User Michael Tsang
by
5.1k points
4 votes

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

User HandyPawan
by
5.6k points