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A proton and an alpha particle (q = +2e, m = 4 u) are fired directly toward each other from far away, each with an initial speed of 0.011 c. c is the speed of light (3.0 x 10^8 m/s)
What is their distance of closest approach, as measured between their centers?
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
The downward acceleration of a 74-kg stuntwoman near the end of a fall from a very high building is 5.5m/s2
An airplane wishes to fly from new york to ottawa. from new york, ottawa is located 780km West23degreesNorth. there is a wind blowing from a bearing of 310 degrees and if the plane flies at 890km/h, what bearing should the pilot steer to fly direc..
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.470 T over a region of radius 1.40 m. What is the maximum speed acquired by the protons
A diver makes 2.0 revolutions on the way from a 9.8-m-high platform to the water. Assuming zero initial vertical velocity, find the diver's average angular velocity during a dive
A 7 kg bowling ball moving at 15 m/s hits a 1 kg pin at rest. The ball leaves at a 10 degree angle at 13 m/s. Calculate the angle and velocity of the pin immediately after the collision
A snow skier, starting from rest, goes downhill for 5.00s and reaches a level spot of smooth snow. What is the skier's average acceleration down the hill
The drawing shows a hydraulic system used with disc brakes. The force is applied perpendicularly to the brake pedal. find the force applied to each side of the rotating disc
A uniform solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. what is the height of the inclined plane
a surveyor 100 m from a long straight 200 kv dc power line suspects that its magnetic field may equal that of the earth
The speed of a bobsled is increasing because it has an acceleration of 2.4 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 450 N. The mass of the bobsled and its riders is 245..
Explain the reasons for salient features of the power grid, including the predominant use of alternating current rather than direct current, transmission of power at high voltages(often with bundles of wire rather than single conductors), the use ..
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