Homework Statement
find the average of a block being propelled propelled by an elastic band.
We know it is uniform acceleration.
my attempt on this problem
Measure the force applied of elastic band with a Newton scale. The more you strecth the farther the distance the block will travel...
hey guys,
here is the question i attempted.
Use the concept of energy,work and power to explain how you might increase the speed you can attain in a ski race?
power= W/t=E/T. i don't really get this question. is it that the more work you do is a small amount of time the more power you have...
Homework Statement
hi guys,
i am having trouble with this problem.
Calculate the average force of friction acting on a wood block as it is propelled along the floor by an elastic band ?
my solution and my ideas:
What does it mean by average froce of friction?
I first weighed the piece...