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A proton moving with speed 2.3 105 m/s in a field-free region enters an essentially uniform magnetic field 0.985 T. If the proton enters the magnetic field region at a 71° angle:
(a) At what angle does it leave the field region?
(b) At what distance y does it exit the field?
An airplane flying horizontally 3600 ft above the ground at 120mi/hh, drops relief aid on the ground. Resolve the angle between the vertical and the line joining plane and target at the instant when he package is released.
A helicopter is ascending vertically with a speed of 5.00m/s . At a height of 120m above the Earth, a package is dropped from a window. Evaluate how much time does it take for the package to reach the ground?
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
Question on center of gravity Discover speed of each block
Two identical small insulating balls are suspended by separate 0.22-m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.10 10-4 kg.
A long, straight wire carries a 25.0 current. An electron is fired parallel to this wire with a speed of 280 in the same direction as the current, 2.30 from the wire.
(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.
When people sleep, their metabolic rate is about 2.6 x10-4 C/(s.kg). How numerous Calories does a 69 kg person metabolize while sleeping 9 hours.
A cowboy at a dude ranch fills a horse trough that is 1.5 m long, 60 cm wide and 40 cm deep. He uses a 2.0cmdiameter hose from which water emerges at 1.5m/s. How long does it take him to fill the trough.
The two 10-cm-long parallel wires are divided by 5.0 mm. For what value of the resistor will the force between the two wires be 1.08×10-4 N.
A bucket filled with water has a mass of 48.00 kg and is attached to a rope that is wound around a 0.08 m radius cylinder. What torque does the bucket produce around the center of the cylinder.
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. The horizontal distance between the release point and the point where the decoy strikes the ground is 700 m..
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