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All surfaces are frictionless and the pulley's mass is negligible. Mass m1=2.50 kilogram is hanging vertically. And m2=4.00 kilogram is on an incline of 30.0o above the horizontal. A constant force F=12.0N is applied to m2, directed downward parallel to the plane:
a. Obtain the direction and magnitude of acceleration of system?
b. Obtain the tension in the string?
A steel ball of mass 0.76 kg strikes a brick wall in anelastic collision. Incomming, it strikes the wall moving 63 degreesdirectly above the line normal (perpendicular) to the wall. Itrebounds off the wall at an angle of 63 degrees directly below ..
A proton is moving along the axis of a uniformly charged thing ring of 20nC/cm. The radius of the ring is 5cm. what initial speed does it need to be able to cross the plane of the ring
How much energy transfer as the reason of a temperature difference was there from the stove into the system consisting of the water plus the pan.
The elementary particle called a muon is unstable and decays after 2.20 ?s, What lifetime do you observe for the muon
In space, an asteroid of mass 5,000 kg is hit by an object of mass 1000 kg and travelling at 1,000 m/s with respect to the asteroid. what will be the new speed of the asteroid
In a certain binary-star system, each star has the same mass which is 9.6 times of that of the Sun, and they revolve about their center of mass. What is their period of revolution in years
find thenbspamplitude period and the phase shift of each functionanbspy -2cos2x-pi2b y
a step-down transformer converts 120v ac to 6.00v ac rms values and the secondary winding is connected to a purely
three equal charges q are placed at each of three corners of a square of side d. a fourth charge of -3q is placed at
A lit firecracker is shot straight up at 50 m/s. How high is it above ground level 5 s later when it explodes? How fast is it moving when it blows up? How far has it fallen from its maximum height?
A rope that is tied between a motor and a crate can pull the crate up a hill of ice (assume no friction) at constant velocity. Write the equations for the body in equilibrium
A girl is using a rope to pull a box that has mass of 35kg across a level surface with constant velocity. What is the normal force of the floor on the box
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