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A metal puck of mass 3.0 kilogram slides down curved track starting 4 meter above ground with initial velocity of vi. Work done by friction while on ramp is -30 Joule. Upon leaving runway puck traveling straight upward reaches maximum height of 5 m above ground before falling back down.
Determine velocity of puck as it leaves runway?
Determine total energy of puck while on ramp?
Determine initial velocity vi of puck?
If ramp was frictionless determine what maximum height would puck reach after it left ramp?
A soccer ball lying on the ground is kicked with an initial velocity of 10.0 m/s at an angle of 37 degrees above the horizontal. How far over does it land on the ground?
A 22 g ice cube at its melting point is dropped into an insulated container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling point of 77 k and has a latent heat of vaporization of 200 kJ/kg? Assume for simplicity that the spec..
a 180-m-wide river flows due east at a uniform speed of 3.5 ms. a boat with a speed of 6.9 ms relative to the water
The radius of Mars about one half that of Earth, and its mass is about 1/10. Using this information, estimate the acceleration due to gravity near the surface of Mars in m/s2
a sailor in a small sailboat encounters shifting winds. she sails 2.00 km east then 3.50 km southeast and then an
1 a notebook computer wire carries 1.5 a. how many electrons pass through the wire each second? 2 a 50-w and 100-w
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. determine the recoil velocity
A basketball of mass 3 kg and radius 0.20 m rolls without slipping down an incline of angle 30 degrees. Calculate the acceleration of the center of mass
an electron moves in the positive x-direction a distance of 2.43 m in 2.99middot10-8 s bounces off a moving proton and
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. If hot air is used instead of nitrogen, what is the required volume of the balloon if the air inside can be maintained at 39.0 oC
A photon is emitted when a hydrogen atom undergoes a transition from the n = 9 state to the n = 4 state. Calculate the energy of the emitted photon
A uniform rod of weight W is supported horizontally by two bricks at its ends. Calculate the Force on the other support immediately thereafter, it should be in terms of W
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