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Starting from rest, a 5.3 kg blockslides 2.1 m down a rough 30.0°incline. The coefficent of kinetic friction between the block andthe incline is µk = 0.436.
(a) Determine the work done by the force of gravity.
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An ocean liner leaves New York City and travels 56.0° north of east for 170 km. 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 following directions.
The magnetic force per meter on a wire is measured to be only 27% of its maximum possible value.Calculate the angle between the wire and the magnetic field.
A particle with a charge of q = -5.00 nC is moving in the uniform magnetic field of vec{B}=( -1.20 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
A woman inside an elevator is standing on a scale. Before the elevation it starts moving the scale shows 50 kg, calculate the acceleration of the elevator if when it starts moving upward the scale reads 70kg. What will the reading of the scale be ..
Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees. What is the second order maximum angle
A 72 kg meteorite buries itself 5.0 m into soft mud. The force between the meteorite and the mud is given by , What was the speed of the meteorite
A 7.70-uF capacitor and a 1250-ohm resistor are connected in series to a generator operating at 50 Hz, What is the average power dissipated in this circuit
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 4.5° above the horizontal. Approxim..
A pitcher is employing a ballistic pendulum to determine the speed of his fastball. A 3.3 kg lump of clay is suspended from a cord 2.0 m long, find the speed of the pitch
An object is 20 cm to the left of a thin diverging lens having a 10 cm focal length. Find the image position with a ray diagram
During liftoff, a hot-air balloon accelerates upward at a rate of 3.4 . The balloonist drops an object over the side of the gondola when the speed is 17, How long does it take to hit the ground
A 0.377 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 0.57 s. The total energy of the system is 3 J
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