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A spaceship is approaching a space station at a speed of 1.8E5m/s. The space station has a beacon that emits green light with afrequency of 6.0E14 Hz.
What is the frequency of the be a conobserved on the spaceship?
What is the change in frequency? (Carryfive digits in these calculations.)
A gymnast of mass 52.8 kg is jumping on a trampoline. She jumps so that her feet reach a maximum height of 2.67 m above the trampoline and, How far does the trampoline stretch
q1. a parallel-plate capacitor has a plate area of 1cm1 and a plate separation of 2.5 mm. to obtain an electric field
A 81.0kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s, it comes to rest in 2.10min with uniform acceleration. What braking force must its rockets provide
A car travels at a constant speed around the circular track or a radius of 2.6 km. it goes around the track once in 360 seconds.
Suppose a crate of mass 8.4 kg is placed on the plank in the figure below at a distance x = 8.3 m from the left end. find the forces exerted by the two supports on the plank
You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it into an insulated cup of negligible mass containing 70.0g of water at 20.0 ?C. What is the final mass of the iron and the remaining water
A tank of water sits at the edge of a table of height 1.6 meter. The tank springs a very small leak at its base, and water sprays out a distance of 1.1 meters from edge of the table. What is the water level in the tank.
Two masses are placed on an airtrack and given initial velocities towards each other. Calculate the impulse acting on mass one during the collision
Jerry is 52 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.43 mm. what is the maximum weight he reads on the scale
A beam of unpolarized light of intensity 33.0 W/m2 passes through a polarizing sheet. What is the electric field amplitude of the transmitted beam?
The weights of the worker and crate are 912 and 1590 N, respectively. What is the tension in the cable above the worker
How do you measure the mass of an astronaut in orbit? (You can't just use a scale!) For the Skylab program, What is the mass of the astronaut
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