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An extreme skier, starting from rest, coasts down a mountainthat makes an angle 25.0° with the horizontal. The coefficientof kinetic friction between her skis and the snow is 0.200. Shecoasts for a distance of 11.4 m beforecoming to the edge of a cliff. Without slowing down, she skis offthe cliff and lands downhill at a point whose vertical distance is4.50 m below the edge. How fast is shegoing just before she lands?
a block of mass m=2.00kg is attached to the end of an ideal spring and its initially hanging motionless. with what angular frequency will the block oscillate
A constant force applied to object A causes it to accelerate at 6 m/s^2 .The same force applied to object B causes an acceleration of 3 m/s^2. Which object has the smallest mass
Use the semi-infinite-well potential to model a deuteron, a nucleus consisting of a neutron and a proton. How many excited states are there
A string of length 0.276 m is fixed at both ends. The string is plucked and a standing wave is set up that is vibrating at its second harmonic. What is the frequency of vibration
A car moving with an initial speed v collides with a second stationary car that is 49.0 percent as massive. Calculate the final speed of the second car
A diving bell with interior air pressure equal to atmospheric pressure is submerged in Lake Michigan at a depth of 142.1 m. estimate the magnitude of the net force on the viewing port
A uniform ladder 7.30 long weighing 435 rests with one end on the ground and the other end against a perfectly smooth vertical wall. What force does the wall exert on the ladder
A capacitor C is charged up to a potential V and connected to an inductor L and a resitor R (in series). Find the current in the circuit as a function of time
Boy is stands on a scale in an elevator that is accelerating upward. Scale reads 723.8 N. Find magnitude of the acceleration of the elevator
An electron is launched at 3.20x10 6 m/s into a 6.30 T magnetic field. What is the diameter of its orbit, what is the magnitude of the force on the wire
A projectile is shot at an angle of 60 degrees to the horizontal near the surface of the earth but in the absence of air resistance. The initial launch speed of the projectile is what
A bead of mass m is restricted to slide on a frictionless wire. The wire lies in a vertical plane and has the shape described by the equations
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