In compressing the spring in a toy dart gun, 0.4 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with
In compressing the spring in a toy dart gun, 0.4 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.03 kg. (a) What is the dart's kinetic energy as it leaves the gun? (b) What is the dart's speed?
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In compressing the spring in a toy dart gun, 0.4 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.03 kg.
(a) What is the dart's kinetic energy as it leaves the gun?
(b) What is the dart's speed?
