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After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 3.9 m/s from 1.5 m above the ground.
(a) How much time does it take until the book hits the floor?
(b) What's it's velocity then? What are the physics principles applied?
A 3.0 block of wood sits on a table. A 3 bullet, fired horizontally at a speed of 440, goes completely by the block, emerging at a speed of 180.What is the speed of the block immediately after the bullet exits.
An infinitely long line of charge has a linear charge density of 5.00×10^?12 C/m. A proton is at distance 12.0 cm from the line and is moving directly toward the line with speed 1500 m/s. How close does the proton get to the line of charge?
in f.e.m.m you should design a practical wave-harvesting buoy with the following specificationsthe primary objective is
A Doppler ultrasound unit is used to measure the motion of blood in a patientâ€TMs artery. What is the maximum speed of the blood in the artery
A guitar string is 90.0 cm long and has a mass of 3.23g. find the frequencies of the fundamental and first two overtones
Use the worked example above to help you solve this problem. An ideal gas at 23.6°C and a pressure 1.80 105 Pa is in a container having a volume of 1.00 L. Determine the number of moles of gas in the container
A swing ride at a carnival consists of chairs that are swung in a circle by 12.0 meter cables attached to a vertical rotating pole. Find the tension in cable attached to the chair
A gas is contained in a cubic box whose sides are 3m long. If the gas is initially at 80 K, and it is heated up to 320 K at constant volume, What is the final pressure
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0078 m/s2 less than that at sea level. Determine what is the observatorys altitude
A charge of 2.5 Coulombs is uniformly distributed throughout a nonconduction sphere of radius 0.15 m. calculate the charge density in the sphere
a 2.0 nc charge is placed on the x-axis at x=-3.0cm another 2.0nc charge is placed on the x-axis at x=3.0cm, What is the potential at the origin
A projectile is fired with an initial horizontal velocity of 20 m/s and vertical velocity of 10 m/s. How long will it take to reach maximum height
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