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A 4.1 kilogram bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 2.2 m/s2, obtain the force exerted by the rope on bucket.
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A parallel plate capacitor has plates each of area 100 cm^2, what is the average charge density on the positive plate?
a stone is dropped into a deep well and is heard to hit the water 3.41 s after being dropped. determine the depth of
a 28 kg rifle bullet at an unknown velocity buries itself in a 3.6-kg pendulum hanging on a 2.8-m long string, what was the speed of the bullet prior to impact
a parallel-plate capacitor has an area of 4.00 cm2 and the plates are separated by 1.00 mm with air between them. the
A Child with a mass of 35.0 kg climbs onto a water slide that is 2.00 m above the water. What is the work done by the normal force on the child
Three boats exert forces on a mooring hook. The first pulls 420 N at 60 degrees from the East. ind the resultant direction of force of the combination of these three forces
A 30-g silver teaspoon at room temperature 200C is placed into 200 g of hot tea 1000C. No heat escapes the spoon-tea system. You assume that the specic heat of tea is the same as that of water.
Suppose a cylinder is resting on a horizontal platform on plane x-y with its axis parallel to the y axis, What is the motion (acceleration:linear as well as rotational) of the cylinder
During a test, a NATO surveillance radar system, operating at 12 GHz at 155 kW of power, The aircraft reflects radar waves as though it has a cross-sectional area of only 0.22 m2. What is the power of the aircraft's reflection
A uniform rod is 2.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. Evaluate the angular acceleration of the rod at the instant the rod makes an angle of 70 degree with the horizontal
An automobile engine is initially rotating at 200 rad/sec. It is then turned off and takes 3.0 second to come to a complete stop. Find what is the angular acceleration of the engine
At normal incidence, the intensity of sunlight at the Earth is 1400 W/m2. find the force on the Earth due to radiation pressure from the Sun
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