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Two fixed navigation beacons mark the approach lane to a star. The beacons are in line with the star and are 46 millimeter apart. A spaceship approaches the star with a relative velocity of 0.8 c and passes the beacons. The passage of the ship between the beacons is timed by observers on the beacons. Determine the time interval of the passage?
You suspend a 1 kilogram mass from a vertical spring (k=40 N/m) that is attached to the ceiling. Determine how fast is the mass falling when the spring has stretched out 30 cm
water at ground level is moving at a speed of 1.20 msec in a pipe at a pressure of 850 kpa. the pipe goes up to the
A spelunker drops a stone from rest into a hole. The speed of sound is 343m/s in air and the sound of the stone striking the bottom is heard 1.34s after the stone is dropped. How deep is the hole?
At a coal burning power plant a steam turbine is operated with a power output of 475 MW. Find at what rate is heat discarded to the environment by this power plant
A stationary radar operator determines that a ship is 11.00 km south of him. An hour later the same ship is 24.0 km southeast. If the ship moved at constant speed and always in the same direction, what was its velocity for the duration of this tim..
What is the total magnitude of the magnetic flux by the coil before it is rotated.
A ski jumper starts from rest 44.0 m above the ground on a frictionless track and flies off the track at anangle of 45.0° above the horizontal and at a height of11.0 m above the ground.
Two long parallel wires are separated by 3.2 mm. The current flowing in one of the wires is twice that in the other wire. what are the values of the two currents
The contacts worn by a farsighted person allow her to see objects clearly that are as close as 25.0 cm, even though her uncorrected near point is 84.0 cm from her eyes, How far away is the poster actually located
If the capacitor and inductor in part A are connected in an L-C circuit, what will be the resonance angular frequency of that circuit
A cylindrical chamber containing an ideal diatomic gas is sealed by a movable piston with cross-sectional area A = 0.0015 m2. What is the final volume after the mass comes to rest
A 0.43 kg air cart is attached to aspring and allowed to oscillate. The displacement of the air cartfrom equilibrium is x = (16.1cm) cos[(1.98s-1)t + π]. estimate the maximum force exerted on it by the spring
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