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A projectile is fired with muzzle speed 150m/s and angle of elevation 45 degrees from a position 10m above the ground level. Where does the projectile hit the ground with what speed?
What is the resulting compressional force on Earth. Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase.
An ocean liner leaves New York City and travels 21° north of east for 134km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
On a spacecraft, two engines are turned on for 658 s at a moment when the velocity of the craft has x and y components of velocity v0x = 4115 m/s and v0y =5135 m/s, Find the x and ycomponents of the craft's acceleration
A 10 kg runaway grocery cart runs into a spring with spring constant 240N/m and compresses it by 65cm. What was the speed of the cart just before it hit the spring.
Two tiny conducting spheres are identical and carry charges of -18.2 ?C and +50.3 ?C, What is the magnitude of the force that each sphere experiences
while Jo moves off in the opposite direction at a speed of 0.946m/s. assuming that friction is negligible, find out Al's mass.
How many homes could be heated with the waste heat
Consider a cylindrical shell of inner radius a = 1.10 cm, outer radius 2a, and length L = 2.05 m. This cylinder has a total charge Q = 138 nC. Find the potential difference between the inner and outer surfaces of the cylindrical shell
If, on other hand, she first kicks it to player 2, who then kicks it into the net, the ball undergoes two successive displacements, y and x. What are the magnitude and direction of x and y.
A 700 N window washer is standing on a uniform scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3 m long. what is the force in each rope when washer stands 1 m from one end.
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
Two astronauts, each having a mass M, are linked by a rope of length d having negligible mass. They are isolated in space, orbiting their center of mass at speeds v.
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