Answer :
Answer:
The kinetic energy of the car is 566 kJ
Explanation:
The kinetic energy is calculated using this equation:
E = 1/2 m*v²
where:
E = kinetic energy
m = mass of the object
v = speed of the object
First, let´s convert the units of the speed:
96.6 km/h *(1 h / 3600s) * (1000 m / 1 km) =26.8 m/s
The kinetic energy will be:
E = 1/2 1577 kg * (26.8 m/s)² = 5.66 x 10⁵ kg m²/s² = 5.66 x 10⁵ J
E = 5.66 x 10⁵ J * (1 kJ /1000 J ) = 566 kJ
The kinetic energy of this vehicle : 567.600 kJ
Further explanation
Energy is the ability to do work
Energy because its motion is expressed as Kinetic energy (KE) which can be formulated as:
[tex] \displaystyle KE = \frac {1} {2} mv ^ 2 [/tex]
So for two objects that have the same speed, the greater the mass of the object, the greater the kinetic energy
Whereas for a stationary object it has kinetic energy = 0
While the effort required by an object to change the velocity from v1 to v2 is the change in the kinetic energy of the object
W = Ek2 - Ek1
A 1577 kg car is traveling down the road at 96.6 km / h
then known
m = 1577 kg
v = 96.6 km / h
[tex]=96.6\times \dfrac{1000}{3600} = 26.83 \frac{m}{s}[/tex]
Kinetik energy :
[tex]\displaystyle KE=\frac{1}{2}mv^2\\\\KE=\frac{1}{2}.1577.26.83^2\\\\KE=567.600~kJ[/tex]
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Keywords: kinetic energy, speed, car, traveling, motion, work