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A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.35c and the exploration vehicle approaching at a speed of 0.80c. Find the speed of the exploration vehicle relative to spaceship?
A cannon has a mass 1000 kg. Its muzzle speed 300 m/s. What will be the speeds of the cannon and ball after firing
a photon with a wavelength of 3.5 x 10^-13 m strikes a deuteron, splitting it into a proton and a neutron. Calculate the kinetic energy released in this interaction
A circular saw blade 0.210m in diameter starts from rest. Find the angular acceleration and the angle through which the blade has turned in this time
The lowest note on a grand piano has a frequency of 27.5 \rm Hz. The entire string is 2.00 \rm m long, What tension is needed to tune this string properly
The lengths of the three telescopes are LA = 456 mm, LB = 640 mm, and LC = 787 mm. The focal length of the eyepieces is 3.00 mm
Describe the process of fission, the products resulting from fission, and the fate of the different neutrons resulting from fission
A Carnot air conditioner takes energy from the thermal energy of a room at 294 k and transfers it as heat to the outdoors, which is at 309 k. for eacg joule of electric energy needed to operate the air conditioner, how many joules are removed from..
During an Apollo lunar landing mission, one astronaut stayed in the command module which continued to orbit the Moon while two astronauts walked on moon. find how long did it take to go around the Moon once
Make a 10 to12 slide powerpoint presentation on behaviourism and social-learning theory. Include speaker notes and graphics, limit text to fie lines, and use approximately five words per bulleted item.
A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.5 m/s and then has the similar kinetic energy as the son.
A particle travels 16 times around a 18-cm radius circle in 37 seconds. What is the average SPEED (in m/s) of the particle
question a car m2000 kg is parked on a road that rises 20 degrees above the horizontal. what are the magnitudes of 1
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