How much power does it take to apply 20 Joules of work in 0.5 seconds?

Power is defined as the rate at which work is done, and can be calculated using the formula:

Power = Work / Time

Given that the work done is 20 Joules and the time taken is 0.5 seconds, we can calculate the power as follows:

Power = 20 Joules / 0.5 seconds
Power = 40 Watts

Therefore, it takes 40 Watts of power to apply 20 Joules of work in 0.5 seconds.