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The 4 kg head of a sledgehammer is moving at 6 m/s when it strikes a spike driving it into a log. The duration of the impact is 2 ms. Find the time average of the impact force.
 one year ago
 one year ago
The 4 kg head of a sledgehammer is moving at 6 m/s when it strikes a spike driving it into a log. The duration of the impact is 2 ms. Find the time average of the impact force.
 one year ago
 one year ago

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UnkleRhaukusBest ResponseYou've already chosen the best response.0
impulse is the change in momentum
 one year ago

pratu043Best ResponseYou've already chosen the best response.1
Yes, but where does impulse come here?
 one year ago

rajathsbhatBest ResponseYou've already chosen the best response.0
It's basic newton's second law. \[F=\frac{m(vu)}{t}\] You know m, v (=0), u and t.
 one year ago

pratu043Best ResponseYou've already chosen the best response.1
What do you mean by time average of impact force?
 one year ago

pratu043Best ResponseYou've already chosen the best response.1
@rajathsbhat you have given the way to find the force, but that is not what they are asking here.
 one year ago

rajathsbhatBest ResponseYou've already chosen the best response.0
hmm i just noticed that.....i'm not too sure of what means though...
 one year ago

pratu043Best ResponseYou've already chosen the best response.1
Please help, this sum has been frustrating me for hours .... don't even know what it means ...
 one year ago

ShadowysBest ResponseYou've already chosen the best response.0
perhaps it's simply F/t?
 one year ago
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