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An 8.70 kg block slides with an inital speed of 1.56 m/s down the ramp at an angle of 28.4 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.62. Use energy conservation to find the distance the block slides before coming to a rest.
A 4.60-kg ball is dropped from a height of 10.0m above one end of a uniform bar that pivots at its center. how high will the ball go after the collision
Consider an oxide-to-n-type silicon junction at room temperature. Calculate the maximum space charge width in the silicon
A 3.57 kg block is drawn at constant speed 4.06 m along a horizontal floor by a rope exerting a 7.68 N force at angle of 15 degree above the horizontal. Work out the coefficient of kinetic friction between block and floor.
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, What laser beam intensity will produce such a field
A block of mass m=5kg is pulled up a frictionless ramp (theta=30degrees) at constant speed v=2m/s by an unknown tension force T. At what rate is the tension force doing work
A 12 kg monkey climbs up a massless rope that runs over a frictionless tree limb and back down to a 16 kg package on the ground, What is the magnitude of the least acceleration the monkey must have if it is to lift the package off the ground
High-altitude mountain climbers do not eat snow, but always melt it first with a stove. Calculate the energy absorbed from a climber's body if he eats 0.70kg of -15?C snow which his body warms to body temperature of 37?C
An airplane is flying with a velocity of 260 m/s at an angle of 30.0° with thehorizontal, as the drawing shows. When the altitude of the plane is2.0 km, a flare is released from theplane. The flare hits the target on the ground. What is the angleθ?
A 24-V battery is connected in series with a resistor and an inductor, Find the energy stored in the inductor one time constant after the switch is closed
a candle is placed at a distance of 15 cm in front of a concave mirror of radius 40 cm. where is the image of the candle
Any change of the energy of a system occurs because of
A parallel-plate capacitor has circular plates and no dielectric between the plates. Each plate has a radius equal to 2.3 cm and the plates are separated by 1.1 mm. Charge is flowing onto the upper plate (and off of the lower plate) at a rate of 5..
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