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A skier travels down the trail. The slope is inclined at an angle of 22 degree and the coefficient of kinetic friction for the skier's shoes-ice surface is 0.2. Compute what the skier acceleration down the hill. (Start with a free body diagram for the skier, add a coordinate system, and then write the equations for the summation of forces acting on the skier)
Three masses are placed at different points along a meter stick of negligible mass: 0.09 kg at 0.98 m, 0.04 kg at 0.55 m, Where's the center of mass of the system
Three forces acting on an object are given by 1 = (?2.45 + 5.60) N, 2 = (5.30 ? 1.3) N, and 3 = (?42.5) N. What is the direction of the acceleration
a 1.6kg wood block is pulled along a wood floor at a steady speed. a second wood block with mass 4.2kg is attached to
in the drawing the head-up display is designed so that the distance between the digital readout device and virtual
A 400kg piano slides 4.0 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Find out the force exerted by the man.
As F is enhancement d, the block would either begin to slide, or begin to tip over. What must be the coefficient of static friction ms so that the block begins to slide rather than tip.
a simple harmonic oscillator consists of a 100 g mass attached to a spring whose force constant is 104 dyne cm. the
A man pushes a 19.0 kilogram shopping cart at a constant velocity for a distance of 25.1 meter on a flat horizontal surface. Find the work done by the gravitational force
A projectile is fired at 50.0 o above the horizontal. Its initial speed is equal to 107.5 m/s. What is the maximum height reached by the projectile
A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.01 seconds later. How far away are the fish
Starting from one oasis, a camel walks 50 km in a direction 30° south of west and then walks 30 km, What is the distance in km between the two oases
A photon has an energy E and wavelength lambda before scattering from a free electron. find the initial wavelength and energy of the photon
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