Math, asked by Umeryousuf, 6 months ago

What is the work needed to be done to increase the velocity of a car from 30kmh_1 to 60kmh_1 if the mass of the car is 1500kg

Answers

Answered by Anonymous
0

Answer:

Step-by-step explanation:

The kinetic energy at

30 km/hr=30 *1000/3600=300/36=25/3 m/s

so 60 km/hr=50/3 m/s

Difference oin kinetic energy

=E2-E1=1/2 *m( v₂²-v₁²)

=1500/2*{ (50/3)²-(25/3)²}

=750/9* ( 2500-625)

=(750/9)*1875

=156250J =156.250 KJ

Please correct me if I am wrong

Answered by kunal615
3

Answer:

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