The energy required to accelerate a car from $10 m / s$ to $20 m / s$ is how many times the energy required to accelerate the car from the rest to $10 m / s$ :

Question

The energy required to accelerate a car from 10-m-s to 20-m-s is how many times the energy required to accelerate the car from the rest to 10-m-s-Equal4 times2 times3 times

Toppr Admin · Accepted Answer

Energy required to accelerate from 10m-s to 20m-s E1-12m-400-x2212-100-Energy -xA0-required to accelerate from rest to 10m-s -xA0-E2-12m-100-x2212-0-E1E2-12m-300-12m-100-3times

The energy required to accelerate a car from $10 m / s$ to $20 m / s$ is how many times the energy required to accelerate the car from the rest to $10 m / s$ :
Equal
4 times
2 times
3 times

Energy required to accelerate from $10 m / s$ to $20 m / s$ $E_{1} = \frac{1}{2} m (400 - 100)$

Energy required to accelerate from rest to $10 m / s$ $E_{2} = \frac{1}{2} m (100 - 0)$

$\frac{E_{1}}{E_{2}} = \frac{\frac{1}{2} m (300)}{\frac{1}{2} m (100)} = 3 t i m e s$

The energy required to accelerate a car from 10m/s to 20m/s is how many times the energy required to accelerate the car from the rest to 10m/s:Equal4 times2 times3 times

Energy required to accelerate from 10m/s to 20m/s E1=12m(400−100)Energy required to accelerate from rest to 10m/s E2=12m(100−0)E1E2=12m(300)12m(100)=3times

The energy required to accelerate a car from $10 m / s$ to $20 m / s$ is how many times the energy required to accelerate the car from the rest to $10 m / s$ :
Equal
4 times
2 times
3 times

Energy required to accelerate from $10 m / s$ to $20 m / s$ $E_{1} = \frac{1}{2} m (400 - 100)$

Energy required to accelerate from rest to $10 m / s$ $E_{2} = \frac{1}{2} m (100 - 0)$

$\frac{E_{1}}{E_{2}} = \frac{\frac{1}{2} m (300)}{\frac{1}{2} m (100)} = 3 t i m e s$