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A horizontal 2-m-diameter gate is located in the bottom of a water tank (5m depth).
Determine the force F required to just open the gate.
Water pressure is pushing down on the gate and the gate opens up into the water tank.
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 24.9-m tall building and land on the ground safely at a final vertical speed of 3.87 m/s. What is the angular acceleration of the drum
For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg.
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
q1. a skier starts from rest at the top of a hill that is inclined at 12.0deg with the horizontal. the hillside is
A radar receiver can be tuned to detect signals in the range of [1750 µm to 2750 µm]. What is the frequency difference between the minimum and maximum wavelength
In November 2004, the United States tested a scramjet that flew at 10.0times the speed of sound for 11.0s , as measured by engineers on earth. How long did the flight last as measured inside the jet
An ancient club is found that contains 120.00 g of pure carbon and has an activity of 7 decays per second. Determine its age assuming that in living trees the ratio of 14C/12C atoms is about 1.10x10-12. Note that half life of carbon-14 is 5700 yea..
In the Bohr model of the hydrogen atom, an electron in the 3rd excited state moves at a speed of 2.43 105 m/s, What is the effective current associated with this orbiting electron
Two blocks are connected over a massless, frictionless pulley, What is the value of the tension in the string
slides 145m before coming to a halt. Illustrate what is the coefficient of friction between the skies and the snow?
A rock with mass 2.0 kg is projected from the ground with an initial velocity that has magnitude 14.0 m/s, what is the gravitational potential energy of the rock
If you mix 2.5g of 100 degree celcius steam with 60g of 0 degree celcius ice. what percentage of the ice remains solid
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