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A firecracker explodes in reference frame S at t = 2.0 s . A second firecracker explodes at the same position at t = 5.0s . In reference frame S', which moves in the x-direction at speed v, the first explosion is detected at x' = 5.0m and the second at x' = - 5.0m
What is the speed of frame S' relative to frame S?
What is the position of the two explosions in frame S?
A 3.00 g lead bullet traveling at 650 m/s strikes a target, converting its kinetic energy into thermal energ, Find the heat required to melt the bullet
A point charge of +6.3? C is located 0.31 m from a second point charge of -4.8? C. What is the absolute magnitude of the force on each charge?
A 25.0-kg box is released from rest on a rough inclined plane tilted at an angle of 33.5e to the horizontal. Determine the force of kinetic friction acting on the box
For the two conducting balls as described in problem 1, when one ball is attached to a torsion balance the wire is twisted by a torsional angle of 1°. find the torsion constant of the wire
For light that originates within a liquid and strikes the liquid/air interface, What is Brewster's angle for this light
A camera's flash uses the energy stored in a 270µF capacitor charged to 170V. The current in the charging circuit is not to exceed 23mA. What's the resistance in the charging circuit
A 54kg sprinter, starting from rest, runs 60m in 7.0s at constant acceleration. What is the magnitude of the horizontal force acting on the sprinter? What is the sprinter's average power output during the final 2.5s
q1. a weight with a mass of 57 kg is suspended from a point near the right hand end of a uniform boom with a mass of 60
A spherical mirror is to be used to form an image, five times as tall as an object, on a screen positioned 4.2 m from the mirror. Describe the type of mirror required
The sound level measured in a room by a person watching a movie on a home theater system varies from 65 dB during a quiet part to 95 dB during a loud part
A constant electric field directed upon the positive x axis has a strength of 2000 N/. find the force exerted on the proton by the field
Three resistors, of 8.0 %u03A9, 12 %u03A9, and 24 %u03A9, are in parallel, and a current of 20 A is drawn by the combination. Determine the potential difference across the combination
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