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A ball of mass .5 kg moves perpendicular to the door by the speed of 10 m/s. The door has a mass of 3 kg and a width of 2 m and is hinged about one end. The moment of inertia of a bar rotated about its end is 1/3 Ml^2. The ball strikes the end of the door opposite hinge and stops moving. What is the angular speed of the door after the collision?
Snow is falling vertically at a constant speed of 5.0 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed by the driver of a car travelling on a straight, level road with a speed of 20 km/h?
A cameraman on a pickup truck is traveling westward at 24 km/h while he videotapes a cheetah that is moving westward 25 km/h faster than the truck. Abruptly, the cheetah stops, turns, and then run at 42 km/h eastward, as gauged by a suddenly nervous ..
A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 175 mi/h in 2.30 s. Discover the average acceleration of the plane.
Starting from rest, a 91-kg fire fighter slides down a fire pole. The average frictional force averted on him by the pole has a magnitude of 750 N, and his speed at the bottom of the pole is 3.2 m/s. How far did he slide down the pole?
Determine the impact on changes in asset values on equity value and calculate the difference in anticipated equity purchase price based on a renegotiated working capital target, and
A satellite mass 200 kg is launched from a site on earth's equator into an orbit 200 km above the earth's surface. Assuming a circular orbit, what is the minimum energy essential to be supplied in order to place the satellite in orbit from the surfac..
A 63.7 kg canoeist stands in the middle of her canoe. The canoe is 3.0 m long, and the end that is closest to land is 2.5 m from the shore. The canoeist now walks toward the shore until she comes to the end of the canoe. Suppose the canoeist is 3.4 m..
Two pieces of steel wire with identical cross sections have lengths of L and 4L.Each of the wires is fixed at both ends and stretched so that the tension in the longer wire is four times greater than that in the shorter wire. If the fundamental frequ..
One cubic meter (1.00m^3) of aluminium has a mass of 2.70*10^3 kg, and 1.00 m^3 of iron has a mass of 7.86*10^3 kg. Discover the radius of a solid aluminium sphere that will balance a solid iron sphere of radius 2.00 cm on an equal arm balance.
Two point charges are 10.0 cm apart and have charges of 2.0 x10-6 C and -2.0 x 10-6 C, respectively. What is the magnitude of the electric field at the midpoint among the two charges?
The two surfaces of a plastic converging lens have equal radii of curvature of 25.0cm, Calculate the index of refraction of the plastic
For the circuit shown below, C = 0.113 µF and = 103 V. The switch throw is rotated to contact b after having been at contact for the long time, and 3.47s later the potential difference across the capacitor is equal to 1/2. What is the value of R.
Light of wavelength 720nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 46mm, What is the separation of the two slits
a circuit consists of an ideal ac generator a 25nbspmicrof capacitor and an 65?nbspresistor all connected in series.
A bungee jumper with mass 0.63 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a lowpoint eight more times in 35.3 s. He finally comes to rest 29.0 mbelow the level of the bridge.
A uniform 2.15- kg spinning disk with a radius of 0.233 m is brought to rest by a brake-pad pressed against the side 0.149 m from the rotation axis. What frictional force was applied by the brake pad
point a is located 0.75 m away from a charge of -3.90 x 10-9 c. point b is located 0.35 m away from the charge. what is
In a parallel plate capacitor, two plates are being discharged by a constant current. Each plate has a radius of 4.0 cm. During the discharging, at a point between the plates at radial distance 2.0 cm from the central axis, the magnetic field has ..
two charges are placed between the plates of a parallel plate capacitor. one charge is q1 and the other is q2 4.90
The exterior walls of a house have a total area of 204 m2 and are at 11.4°C and the surrounding air is at 7.4° C. Find the rate of convective cooling of the walls
Find the time it takes for a telephone call to go by way of satellite between these cities. Ignore the curvature of the earth.
a what is the tangential acceleration of a bug on the rim of a 12.0-in.-diameter disk if the disk accelerates uniformly
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