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A charged particle A exerts a force of 2.65 µN to the right on charged particle B when the particles are 13.2 mm apart. Particle B moves straight away from A to make the distance between them 16.9 mm. What vector force does particle B then exert on A?
A 0.450-kg ice puck, moving east with a speed of 5.46m/s, What is the speed of the 0.450-kg puck after the collision
If one of the crystal faces is matted (flat or reflecting) draw a picture and show how the x-rays travel, reflect and diffract on the first 2 layers of the atoms. Indicate the position of the detector in relation to the source and the crystal.
If you place an electric charge in an electric field it will feel a force due to the electric field, Describe the direction of the force
A rescue helicopter lifts a 85.3-kg person straight up by means of a cable. Use the work-energy theorem and find the final speed of the person
An elevator has mass 680kg , not including passengers. What is the maximum number of passengers that can ride in the elevator? Assume that an average passenger has mass 65.0 kg
You stand in the earth's magnetic field, directly facing its horizontal component (in other words, facing magnetic south). What is the net inward magnetic flux through your body's entire surface
the forces exerted on the shoes and back of the 72-kg climber bythe walls of the chimney are perpendicular to the walls exertingthem. what is the magnitudeof the force exerted on his back
A 50 kg child jumps into a small pool of water through a distance of 3 m and aquires 1000 J of kinetic energy. Assuming all of this energy goes into heating 10 kg of water in the pool, what is the change in temp of the water?
A cat rides a merry-go-round while turning with uniform circular motion. At time t1 = 2.00 s, the cat's velocity is v1 = (3.50) + (4.00 m/s), find the magnitude of the cat's centripetal acceleration
A 1200-kg car travels at a constant speed of 18.00 m/s around a circular track that is 80m across. What is the kinetic energy of the car?
Two disks are rotating about the same axis. Disk A has a moment of inertia of 9.10 kg·m2 and an angular velocity of +8.10 rad/s. What is the moment of inertia of disk B
Nerve proagation in your body occurs when large electric fields in the cell membranes on neurons (1.0*10^7 N/C) cause ions to move through cell walls
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