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A spaceship leaves Earth traveling at 0.65 c. A second spaceship leaves the first at a speed of 0.80 c with respect to the first.
Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving. Take the positive direction in the direction of the first spaceship.
Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth
To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 14cm in diameter and 55cm in length, What is the total length of wire you will need to meet these specifications
A floodlight with a mass of 46.00 kg is used to clarify the parking lot in front of a library. The floodlight is supported at the end of horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 29 degrees with the beam is att..
Three springs each hang from a ceiling with a stationary block attached to the lower end. The blocks (with m1> m2 > m3) stretch the springs by equal distances. Each block-spring system is then set into vertical SHM. Rank the masses according to the p..
Vector A points in the negative x direction. Vector B points at an angle of 60 above the positive x axis, Given A+B+C=0, find the magnitude of A and B
How much higher would the ball have gone in a vacuum. The time constant of an RC circuit is 4.8 s. How much time t is needed for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
How much charge does the battery supply to each plate.
You are designing a pendulum clock whose period can be adjusted by ±10% by changing the length of the pendulum. Determine the range of change of length which provide this flexibility in the period
A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.
Find the speed of the car when brakes were applied.
In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.
Police determine skid marks 83 m long on the highway showing where the car made an emergency stop. Assume that the acceleration was -10 m/s2 (about the highest for dry pavement), how fast was the car going.
A 81.0-kg daredevil exhibitionist hangs on to the end of a long bungee cord attached to the railing of the Brooklyn Bridge and oscillates vertically, What is the frequency of oscillation
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