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Starting from rest, a 10.0-kg block slides 3.00m down africtionless ramp (inclined at 30.0° from the floor) to thebottom. The block then slides an additional 5.00m along the floorbefore coming to a stop. Determine
a) the speed of the block at the bottom of the ramp.
b) the coefficient of kinetic friction between block andfloor.
c) the mechanical energy lost due to friction.
A warehouse worker pushes a crate along the floor, by a force of 5.0N that points downward at an angle of 45° below the horizontal. find the horizontal component of the push.
q1. a ski jumper has 1.2 acute 10 j of potential energy at the top of the ski jump. the friction on the jump slope is
Your plane reaches its takeoff runway and then holds for 5.0 min because of air-traffic congestion. What is its takeoff speed
A tiger leaps horizontally from a 5.90 m high rock with a speed of 4.10 m/s. How far from the base of the rock will she land.
A 6000 kg freight car rolls along rails with negligible friction. The car is brought to a rest by a combination of two coiled springs, What was the initial speed of the car
A glass windowpane in a home is 0.62cm thick and has dimensions of 0.9m multiplied by 1.6 m. On a certain day, the indoor temperature is 20 °C and the outdoor temperature is 0 °C.
A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. find With what speed does the ball leave the club
A 658-kg boulder is dropped into a mine shaft that is 2.1 x 103 m deep. During the boulder's fall, the system consisting of the Earth, Determine the binding energy (in Joules) of the Earth-boulder system
Find the capacitance of a parallel plate capacitor having plates of area 6.00 m2 that are separated by 0.200 mm of Teflon
A plane accelerates from rest at a constant rate of 5.00 along a runway that is 1800 long. What is the time needed to take off
A person with bifocal vision has a prescription of -1.75D/+1.50D, which represents the refractive power of the lenses to correct myopia and presbyopia, respectively. What is the focal length of each lens
In compressing the spring in a toy dart gun, 0.9 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.05 kg, What is the dart's speed
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