An object has a velocity of 8 m/s and a kinetic energy of 480 j what is the mass of the object

We Know,

K.E. = 1/2 mv²

480 = 1/2 (m)(8)²

m = 960/64

m = 15 Kg

So, the mass of the object is 15 Kg

Hello!

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object?

We have the following data:  

KE (Kinetic Energy) = 480 J

m (mass) = ? (in Kg)

v (speed) = 8 m/s  

Formula to calculate kinetic energy:  

Solving:  

15 kg

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I Hope this helps, greetings ... Dexteright02! =)

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54 degrees incident angle = reflected angle

angle is from normal turned to line of ray