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A water skier, moving at a speed of 9.30m/s, is being pulld bya tow rope that makes an angle of 37.0o with respect to thevelocity of the boat. The tow rope is parallel to the water.The skier is moving in the same direction as the boat, if thetension in the rope is 135N, determing the work that it does in12.0s.
A 2590-kg van runs into the back of a 821-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van
A 15.0-µC particle with a mass of 2.80 10?5 kg moves perpendicular to a 1.01-T magnetic field in a circular path of radius 28.0 m. How long will it take the particle to complete one orbit
The bottom of an aluminum pot has an area of 157 cm2 and a thickness of 3.25 mm. How many watts are needed to boil water at this rate
A child with a mass of 55 kg is riding on a merry-go-round. If the child has a speed of 3 m/s, what is the child's angular momentum
A puck slides along the frictionless track shown in the figure with an initial speed of 7.40. Suppose the puck turns all corners smoothly, with no loss of speed.
If a 49.0 N ·m torque on a wheel causes angular acceleration 17.2 rad/s2, what is the wheel's rotational inertia
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.7°. Find the dispersion of the slab
If a metric ton is 1 x10^3 kg, how many 88 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton.
Two conductors having net charges of +18.0 µC and -18.0 µC have a potential difference of 18.0 V between them. (a) Determine the capacitance of the system. F (b) What is the potential difference between the two conductors if the charges on each are i..
When you lift a bowling ball with a force of 80.2 N, the ball accelerates upward with an acceleration a. Calculate the weight of the bowling ball
A car travels due East with a speed of 33.5 km/h. Rain is falling vertically with respect to the Earth. Find the velocity of the rain with respect to the car
A step-down transformer is used for recharging the batteries of portable devices. find the rms output voltage of the transformer
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