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A jetliner has a mass of 2.8 x 105 kg and flies at a speed of 190 m/s.
(a) Find the value of its momentum.
(b) If the speed of light in a vacuum had a hypothetical value of 350 m/s, what would be the magnitude of the jetliner's momentum?
Estimate the terminal velocity for a dust particle in air. Assume it has a radius of 1.0 um and a density similar to that of balsa wood
The magnetic field perpendicular to a single 13.7 cm diameter circular loop of copper wire decreases uniformly from 0.600 T to zero. how much charge moves past a point in the coil
A submarine is 325 m horizontally out from the shore and 115 m beneath the surface of water. A laser beam is sent from the submarine so that it strikes the shore.
A 3.20 kg block of wood sits on a table. A 2.50 g bullet, fired horizontally at a speed of 600 m/s, goes completely through the block, emerging at the speed of 180m/s. What is the speed of the block immediately after the bullet exits.
A 1000kg elevator is being lifted vertically upward by a strong cable. What is the acceleration of the elevator
The plate on the back of a certain computer scanner says that the unit draws 0.44A of current from a 120V , 60Hz line. Find the root-mean-square current
A hydrogen atom is in the n = 22 state. Use the Bohr model of the hydrogen atom, find the potential energy of the atom
69 J of work are needed to stretch a spring from 1.4 m to 2.9 m from equilibrium. What is the value of the spring constant
In a local bar, a customer slides an empty beer mug down the counter for a refill, With what velocity did the mug leave the counter
The velocity of an object falling in free fall increases with time. Does the acceleration also increase? Why or why not?
Calculate the Reynolds number for 25C water flow in a 1-in nominal diameter sanitary pipe at 0.5 kg/s
A wire of length L = 15 is bent into a semi circle . If the total charge on the wire is -45nC, determine the electric field at the center point of the semicirlce.
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