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Q: Does a car traveling at 60 mph carries four times the energy as the same car traveling at 30 mph?
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What is a four letter word for something that carries energy from place to place?

wire


How does kinetic affect the stopping distance of a vehicle traveling at 30 mph compared to the same vehicle traveling at 60 mph?

The kinetic energy of the vehicle when it is travelling faster is four times as great. It the brakes apply the same retardation and the friction from the tires on the road surface is unchanged then the stopping time will be four times as long.


A car is traveling twice as fast as an identical car How much more work will be needed to stop the car traveling twice as fast?

four times


Is the force of an object going at sixty miles an hour four times greater than an object traveling at thirty miles an hour?

No.IF both objects have the same mass, then the faster one has twice the momentumand four times the kinetic energy of the slower one. If their masses are different, thennothing can be calculated until we know the masses.


How much greater is the amount of traction needed because each car is traveling at 40 mph rather than 20 mph?

Four times the amount of traction is needed


How much further will a car traveling at 100 km per second skid than the same car traveling at 50 km per second?

Four times as farther.


If the speed of an object doubles the kinetic energy of the object?

At twice the speed, the kinetic energy will be four times greater.


What If you have four balls all traveling at 5 meters per second which one has the most kinetic energy?

If several objects have the same speed and the same velocity,then each has the same kinetic energy.


A moving car has kinetic energy If it speeds up until it is going four times faster than before...how much kinetic energy does it have in comparison?

Kinetic energy is proportional to velocity2, so if velocity is multiplied by four the kinetic energy is multiplied by sixteen


The force of a 60 mph crash is twice as great as a 30 mph crash?

No, it is 4 times as great. Looking at the equation for kinetic energy: E=0.5 x m x v x v Where E=kinetic energy m = mass of vehicle v = velocity of vehicle If the vehicle weighs 1000 kg and is traveling at 10 m/s the kinetic energy possessed will be 1000 x 10 x 10 = 100,000 joules Whereas if the same vehicle is traveling at 20 m/s it would be 1000 x 20 x 20 = 400,000 joules. In other words, the vehicle possesses four times as much energy.


How many times kinetic energy of a body changesif mass is increased two times and velocity by four times?

Kinetic energy, Ek = 1/2 mv2 Thus, Ek increases by 2 x 42 times => Ek increases by 32 times.


What is the difference in stopping time between 60mph and 30mph?

The kinetic energy of the vehicle when it is travelling faster is four times as great. It the brakes apply the same retardation and the friction from the tires on the road surface is unchanged then the stopping time will be four times as long.