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A 212 kg log is pulled up a ramp with means of a rope that is parallel to the surface of the ramp. The ramp is inclined at31.7° with respect to the horizontal. The coefficient of kinetic friction among the log and the ramp is 0.903, and the log has an acceleration of 0.822 m/s 2. Compute the tension in the rope.
At a point where an irrigation canal having a rectangular cross section is 18.9 m wide and 3.65 m deep, the water flows at 2.55 cm/s. How deep is the canal at this point
Find out the time that the arrow spends in the air.
the cube is 20.0 cm on each edge. Four straight segments of wire-ab,bc,cd, andda-form a closed loop that carries a currentI=5.00A in the direction shown, Determine the magnetic force on each segment
Air at 25 oC blows over a heated steel plate with its surface maintained at 200 oC. Calculate the heat loss per hour from the top surface of the plate
A 615-kg racing car completes one lap in 14.3 sec. arounda circular track with a radius of 50.0 m. What force must the track exert onthe tires to produce this acceleration
A circular coil of wire with 40 turns and a radius of 33.3 cm is laying flat on a horizontal, find the magnitude of the magnetic flux through the coil
Calculate the diameter of a 1.51 cm long tungsten filament in a lightbulb if its resistance is 0.507 ?
A source delivers an AC voltage of the form ?v = 92.2 sin (60?t), Find the rms voltage of the source
Two identical small insulating balls are suspended byseparate 0.25-m threads that are attached to a common point on theceiling. Each ball has a mass of 8.0 × 10-4 kg.Initially the balls are uncharged and hang straight down.
Suppose the initial speed of the proton in the figure is increased. Does the radius of each half-circular path segment increase, decrease, or stay the same?
a small solid disk of mass m and radius r rolls without slipping down a ramp. if it starts from rest at the top of the
A car speeds up from 50 mph to 65 mph to pass a truck. If this requires 7 seconds, what is the average acceleration of the car
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