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1. Answer:
The kinetic energy is 3,802.5 J
Explanation:
Here, we are going to solve for the kinetic energy of an object with mass and velocity.
We know that there exist an energy for any moving object.
For the formula, we will use
where
is the kinetic energy, unit is in N.m or Joules (J)
is the mass of the object, unit is in kg
is the velocity of the object, unit is in m/s
For the given information
m = 45 kg
v = 13 m/s
KE = ?
Solving the problem
Let us use the formula for kinetic energy
Then substitute the given information, we have:
KE = 3,802.5 J
Therefore, the kinetic energy of the object is 3,802.5 J

2.Given: 45kg (mass) 13m/s (velocity)

Required: KE = ?

Equation: KE = ½ mv²

Solution: KE = ½ (45kg) (13m/s)²

= ½ (45kg) (169m/s)

= ½ (7,605)

= 3,802.5

Answer: KE = 3, 802.5 J
LT-3
potential energy kinetic energy
A raised weight. Flying Airplane
walking running
rollercoaster
Water that is behind a dam. skateboarding
A car that is parked at the top of a hill. cricket ball
A yoyo before it is released.
River water at the top of a waterfall.




     
 
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