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A space traveler moving at a speed of 0.62c with respect to the earth makes a trip to a distant star that is stationary relative to the earth. He measures the length of this trip to be 7.9 light-years. What would be the length of this similar trip (in light-years) as measured by a traveler moving at a speed of 0.85c with respect to the earth?
A Mercedes-Benz 300SL (m = 1750 kg) is parked on a road that rises 10° above the horizontal, What is the static frictional force that the ground exerts on the tires
A man pushing a mop across a floor causes it to undergo two displacements. Find the magnitude and direction of the second displacement
Consider a particle of radius s that orbits a solar mass star at 1 au on a circular orbit.Calculate the mass of gas that the particle collides with during one orbit about the star
A 5.4-µC point charge is located at x = 0.9 m, y = 3.3 m, and a -3.9-µC point charge is located at x = 1.9 m, y = -1.9 m. (a) Find the magnitude and direction of the electric field at x = -3.2 m, y = 0.9 m.' (b) Find the magnitude and direction of..
A rocket is fired vertically and ascends with a fix vertical acceleration of 20 m/s2 for 1.0 minute. Find the total time elapsed from takeoff until the rocket strikes the Earth
A shopper pushes a cart 23 m south down one aisle and then turns 90.0° west and moves 23 m. He then makes another 90.0° turn and moves 15 m. What is the largest possible displacement of the shopper
A pi meson of mass mπ move with speed uin the positive y direction in frame S with parametersβu = u/c and γu = (1 - βu2)-1/2. Compute the combined energy of the two photons in S'
Two ships are moving along a line due east (see figure below). The trailing vessel has a speed relative to a land-based observation point of v1 = 59.5 km/h, What frequency is monitored by the leading ship
A child pushes a merry-go-round with a force of 50.0 N at an angle tangent to the circle (that is, perpendicular to a radius). how much work does she do
A man pushes a 16.0 kilogram shopping cart at a constant velocity for a distance of 24.0 meter. Find the magnitude of the force that the shopper exerts
A long horizontal hose of diameter 3.2 cm is connected to a faucet. At the other end, there is a nozzle of diameter 1 cm. detetmine the velocity of the water in the hose
Find the change in the force of gravity between two planets when the distance between them is decreased by eight
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