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Rod ABD is guided by wheels at A and B that roll in horizontal and vertical tracks. Knowing that at the instant shown n ß =60° and the velocity of wheel B is 800 mm/s downward, determine
(a) The angular velocity of the rod,
(b) The velocity of point D
assume the film show in the figure has an index of refraction of 1.36 and is surrounded by air on both sides.
If you shake one end of a taut rope steadily five times each second, what would be the period of the sinusoidal wave set up in the rope
A soccer player kicks a rock horizontally off a 36.9 m high cliff into a pool of water. If the playerhears the sound of the splash 2.93 slater, what was the initial speed given to the rock? Assume thespeed of sound in air to be 343 m/s.
q1. ricardo and jane are standing under a tree in the middle of a pasture. an argument ensues and they walk away in
A stone is dropped from rest from the roof of a 100-m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground. What are the speeds of the two s..
a 43 mg sample of pure gold 197au is irradiated in a reactor with a steady neutron flux of 51010 neutronss-cm2 long
An aluminum block (c=0.22 kcal/kgoC) of mass 1 kg and temperature 964oC is dropped into 11 liters of water at 26 oC. What is the final temperature of the water and aluminum
A beetle sits at the top of a bicycle wheel and flies away just before it would be squashed. assuming that the wheel turns clockwise, the beetle's angular displacement is π rad, which corresponds to an arc length of 1.2 m. what is the wheel's radi..
Planetary model of Hydrogen atom has an electron in a circular orbit about a proton. The motion of the electron of charge 1.6 x10-19 C creates electric current. The electron's velocity is 2.2 x 106 m / s and Radius of electron orbit is 5.3 x 10-11 m...
A football player kicks a 0.41-kg football initially at rest;and the ball flies through the air. what is the football's change in momentum
A hypodermic syringe is attached to a needle that has an internal radius of 0.300 millimeter and a length of 3.02 centimeter. Find what must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
The 2.0 m stick weighs 6.0 N and is suspended by support cords ateach end. Calculate the support force at the right end of the board
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