Homework Statement
2 objects of equal mass collide inelastically having initial speed v.
after that they move off together with speed v/3.
what is the angel between the initial directions?
Homework Equations
The Attempt at a Solution
mv = 2m v/3 cos ...
Homework Statement
http://img94.imageshack.us/img94/8821/phy001.th.jpg
angle = 20
coefficient of kinetic friction between block and surface = 0.2
When the whold system released, what is the "acceleration" of blocks.
all blocks have equal mass
Homework Equations
The Attempt at...
Homework Statement
0.25-kg skeet is fred at an angle 30 to horizontal with a speed 25m/s.
when it reaches tha max. height, it is hit from below by a 15g pellet traveling verticaly upwared at speed of 200m/s. the pellet is embedded to the skeet.
1) how much higher did the skeet go up?
2) how...
Homework Statement
A block m slides from frictionless inclined (45 with horizontal (a)) of a wedge mass m which on horizontal plane with coefficient of friction u. Prove the wedge moves to right with acc. equal to g(1-3u)/(3-u)
Homework Equations
The Attempt at a Solution
block has normal...