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zalisa [80]
4 years ago
10

A truck is traveling with 50,000 J of kinetic energy. It hits the breaks and the truck now has 20,000 J of kinetic energy. Where

does the rest of the energy go? In other words what type of energy is the kinetic energy converted into to keep mechanical energy? Include law of conservation of energy
Physics
1 answer:
AURORKA [14]4 years ago
6 0

Answer:they are converted to thermal energy

Explanation:

When they brake of a moving car is hit,the velocity would become zero, kinetic energy would be converted to thermal energy

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A trooper is moving due south along the freeway at a speed of 30.1 m/s when a red car passes the trooper. The red car moves with
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Answer:

The correct answer to the following question will be "41.87 m".

Explanation:

The given values are:

The speed of trooper = 30.1 \ m/s

The velocity of red car = 45.4 \ m/s

Now,

A red car goes as far as possible until the speed or velocity of the troops is the same as that of of the red car at

t=\frac{45-30}{2.7}                                                              (∵ time=\frac{distance}{time})

t=5.56 \ sec

then,

The distance covered by trooper,

t1=30\times 5.56+\frac{1}{2}\times 2.7\times (5.56)^2

   =208.33 \ m

The distance covered by red car,

= 45\times 5.56

= 250.2 \ m

Maximum distance = 250.2-208.33

                                = 41.87 \ m                                                        

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