Homework Statement
you push a 25 kg box across a wooden floor at constant speed. how much force do you exert on the floor? (mu(k) = 0.20
Homework Equations
Ff=<uFn
The Attempt at a Solution
this is wat i get so far
mass = 25kg
uk= .20
.20<.20x25
.20<5
is this correct? im confuse coz...
Homework Statement
if the coefficient of friction between a 30 kg metal block and the floor is 0.16, what force is required to roll this block across the floor at a uniform speed? how much work is done? find : weight of force, normal force, force applied and fricitional force
Homework...
1. Homework Statement
a human cannonball in 1940 soared over three ferris wheels, each 18 meters high covering a horizontal distance of 10.63 meters. Assuming that the point of projection is 2.50 meters above the ground and that he landed safely on a net placed at the same level, find his...
Homework Statement
a human cannonball in 1940 soared over three ferris wheels, each 18 meters high covering a horizontal distance of 10.63 meters. Assuming that the point of projection is 2.50 meters above the ground and that he landed safely on a net placed at the same level, find his initial...
thank you for helping me but... i really dont get it... hehehe..
can you show me step by step solution of the problem? how did you get 1.02? is that the relalitivistic mass-rest mass ratio?