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An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.80 multiply.gif 10-28 kg and that of the heavier fragment is1.66 multiply.gif 10-27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment?
Imagine a truck with a mass of 30 metric tons (t) (1 t=1,000 kg) barrelling down a highway at a speed of 50 mi/h. What is the truck's momentum in kilograms
An osprey's call is a distinct whistle at 2200 Hz. An osprey calls whereas diving at you, to drive you away from her nest. You hear call at 2220 Hz. How fast is the osprey approaching.
A 0.025 kg golf ball moving at 21.0 m/s crashes throughout the window of a house in 2.0 10-4 s. After the crash, ball continues in the same direction with a speed of 10 m/s. assuming the force exerted on the ball by the window was constant, what w..
The drive shaft AB of an automobile is to be designed as a thin-walled tube. The engine delivers 125 kW when the shaft is turning at 1500 rev/min. Determine the minimum thickness of the shaft's wall
Alpha particles of kinetic energy 5.10 MeV are scattered at 90° by a gold foil. What is the impact parameter
The wheel of the car has a radius of 0.340 m. The engine of the car applies a torque of 282 N•m to this wheel, that does not slip against the road surface. Since the wheel does not slip, the road must be applying the force of static friction to the w..
A spaceship of mass 2.20×106kg is cruising at a speed of 4.20×106m/s when the antimatter reactor fails, blowing the ship into three pieces
Two blocks with masses m = 16.7 kg and M = 70.1 kg are not attached. The coefficient of static friction between the blocks is 0.45 but the surface beneath M is frictionless. What is the minimum force F required to hold m against M?
A ball of mass m=0.5 kg and radius r=0.02m is pushed against a spring of force constant 200N/m, What is the speed of the rolling ball when it leaves the spring
In the figure, suppose that the separation between speakers A and B is 5.90 m and the speakers are vibrating in phase. They are playing identical 110-Hz tones, and the speed of sound is 343 m/s.
One displacement vector A has magnitude of 2.78 km and point due north. Another displacement vector B has a magnitude of 7.40 km and also points due north. Provide diagrams and calculate the magnitude and direction of A+B, B-A, A-B.
A 131 kg sign hangs between two buildings by two cables. Cable 1 is attached at a 36 degree angle wrt to the horizontal, and Cable 2 is attached at a 24 degree angle wrt to the horizontal. What is the tension in cable 1.
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