Homework Statement
A boy on roller blades throws a jug of water away from himself, giving it a speed of 14m/s. The boy's mass is 38kg and the mass of he jug and the water is 7.9kg. What is the velocity gained by the lad?
Homework Equations
Not sure.
The Attempt at a Solution
Not sure.
Homework Statement
I stomped on a stomp rocket aimed at 45degrees. Mass of the rocket is 15grams. It went 27 meters. Without a time device, is it possible to find power?
Homework Equations
P=\frac{W}{T} = \frac{FD}{T}=FVThe Attempt at a Solution
Would the PE=mgh be the force of my stomp...
Homework Statement
Is this equation any good for finding a
x=1/2 at2+v0t +x0
Given that v0t=0 and x0=0
I am trying to find the acceleration give that I dropped an eye dropper at 20cm and the average time was 0.116sec
Homework Equations
I have isolated it to a, where it is A= 2x over...