|Oct28-06, 04:01 PM||#1|
can any one check that my answer is right?
A 5 kg ball is tossed into the air with an initial velocity of 6 m/s. I f the power delivered to the ball was 100 watts, over what time inteval did the power delivery occur?
my answer = 178m/s/s ?
|Oct28-06, 04:17 PM||#2|
First of all, if you're asked for a time interval, then your answer cannot contain acceleration units, i.e. [m/s^2].
|Oct28-06, 04:47 PM||#3|
What's the energy delivered to the ball?
How do you find time when you know energy and power?
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