Recent content by GalacticSnipes

yes, should i have?

what does -ve stand for?

So...just check the numbers?

Homework Statement A 25 kg bear slides, from rest, 8 m down a lodgepole pine tree, moving with a speed of 6.4 m/s just before hitting the ground (a) What change occurs in the gravitational potential energy of the bear-Earth system during the slide? W = F*D W = (m*a)*D W = 1960 (b) What is the...

This isn't really a homework question, just a question i got wrong on test and want to understand: If the tension of a string increases how would the following be affected (Increase, decrease, stay the same, not enough info)? 1. The fundamental frequency of vibrations on a string? 2. The...

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would the whole formula be something like this: 0.5m(v)^2 = mgh?

I am familiar with COE and I think it has KE at the bottom of the hill...?

Homework Statement A 35-kg child goes down a hill on a 5-kg sled. Starting from rest, she reaches a speed of 30 km/h at the bottom of the hill. The hill makes an angle of 25 degrees with the horizontal. (a) Assuming there is no heat generated by friction and air resistance, how high is the...

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So for (a) 2.7e7 m/s and for (b) 1.2e-13 J?

But 282.240 kW is the non rounded answer?

constant

so the answer would be 6400*9.8*4.5 = 282240 Watts?