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A 280-kg cylindrical piece of concrete pipe 1.0 m in diameter, 1.3 m long, and 3 cm thick is rolling toward you at a speed of 5 m/s. What is its approximate rotational angular momentum? (magnitude and direction).
The eyepiece of a microscope has a focal length of 1.25 cm and the objective lens focal length is 1.62 cm. what is the angular magnification of the microscope
A gyroscope with rotational inertia 6.0 10-3 kg·m2 is precessing in a horizontal plane at 0.50 rad/s under the influence of a 0.28 N·m torque caused by a force pointing vertically downward
The image of a tree on a 35 mm color slide is 1 mm high. It is to be projected onto a screen 3 m from the slide, and is to appear 328 mm high. What is the magnification of the system
A 75 W light bulb with a resistance of 179 ? is connected to a power supply with a 121 V. What is the internal resistance of the power supply
q1. a certain car battery with a 14.0 v emf has an initial charge of 195 abullh. assuming that the potential across the
A proton has a speed of 0.80c.Calculate the rest energy of the proton. Calculate the total energy of the proton
A 210g ball is dropped from a height of 1.8m and bounces on a hard floor. How high does the ball rebound
A basketball is released from a height of 2.00 m above the floor and enters a basket that is 3.0 m above the floor. How far was the shooter from the basket
A car moves in a flat, circular path of radius R on a surface with a coefficient of kinetic friction of 0.25 and a coefficient of static friction of 0.35. How long does it take the car to complete one orbit
For one of the measurement you will be using a hanging mass of M=150 grams. Determine the expected frequency f2 of the second harmonic standing wave
A luge and its rider, with a total mass of 104 kg, emerges from a downhill track onto a horizontal straight track with the initial speed of 53 m/s. suppose they stop with the constant deceleration of 2.30 m/s2.
A 2.0cm -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 42cm, For each location, what is the height of the image
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