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A proton is released from rest in a uniform electric field of magnitude 1.08x10^5N/C. Find the speed of the proton after it has traveled 1.00cm.
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.3. What is the magnification when the convex side is used as a mirror
This question requires four answers. A15 Ω resistor, a 0.30 μF capacitor and a16.0 mH inductor are in a series, What is the rms voltage across the inductor
A cannon ball (m=.7 kg) traveling at 200m/s hits and is impeded into a 400 kg car. If the car was initially at rest, what will be its velocity after the impact
A wildland fire sawyer is cutting a snag of length L = 23.5m and mass m = 880kg. He puts a Humboldt face cut on the snag which has a negligible amount of taper, what is the final angular velocity of the snag
A 10.00 kg grocery is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. a.) What work is done on the cart? b.)If all frictional forces are neglected, and the cart starts form rest, what is the grocery cart..
A photographer in a helicopter ascending vertically at a constant rate of 12.5 m/s accidentally drops a camera out the window, How long will it take the camera to reach the ground
A 8.50cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.690T pointing up. During the course of 0.180s, the field is changed to one of 0.350T pointing down. What is the average induced emf in the c..
A 40 kg girl and an 8.4 kg sled are on the fictionless ice ofa frozen lake, 15m apart but connected by a rope of negligiblemass. How far from the girl's initial position do they meet
A 400kg baby grand piano is raised to the roof of a 100m building. If the cable breaks as it reaches this height, what will its velocity be the instant prior to impact
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0032 s. find the average force exerted on the ball by the club
A bowler throws a bowling ball of radius R = 11 cm along a lane. The ball (the figure) slides on the lane with initial speed vcom,0 = 7.9 m/s and initial angular speed ?0 = 0. The coefficient of kinetic friction between the ball and the lane is 0...
How fast must the bat fly, v_b, to hear a beat frequency of 205 rm {Hz}.
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