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The figure shows a 170 g uniform rod pivoted at one end.The other end is attached to a horizontal spring. The spring isneither stretched nor compressed when the rod hangs straightdown.
What is the rod's oscillation period? You can assume that therod's angle from vertical is always small.
A turbine blade rotates with angular velocity w(t)= 2.00 rad/s - 2.100 rad/s^3 t^2. What is the angular acceleration of the blade at t = 9.1 s
Consider a fly trapped in a one-dimensional room, ie, the fly can fly in one dimension only. Two opposite walls of the room are 20m apart and the fly is on one of the walls. find the total distance the fly flies before it is squashed
How high above the ground will the ball be when it gets to Julie? (note, the ball may go over Julie's head.) 7) Below is some space to write notes on this problem.
A magnetic field is directed at a 40.0 angle to a plane circular loop of wire with a radius of 26.8 cm. a) draw a diagram showing the wire loop, what is the induced emf in the wire loop
what object distance would give a focused image with a spatial frequency of 20 line pairs mm when the object consists
A point P is on a rim of a wheel of radius 2.0m. At time t=0 wheel is at rest and P is on the x-axis. The wheel undergoes a uniform angular acceleration of 0.01 rad/s2 about the center O. Find out the time t, when P returns to an original position on..
A wire 69.2 cm long carries a 0.740 A current in the positive direction of an x axis through a magnetic field with an x component of zero
A particular coal-fired electric power station uses7.5x109 kg of coal per year to produce 950 MW ofelectrical power. The coal contains 2.4% sulphur bymass. If a scrubber is used to remove 85% of the sulphur fromthe exhaust gases in the form of CaS..
One mole of helium atoms has a mass of 4 grams. If a helium atom in a balloon has a kinetic energy of 1.224e-21 J, what is the speed of the helium atom
a 4603.24 kg open train car is rolling on frictionless rails at 24.04 ms when it starts pouring rain. a few minutes
A projectile is fired at an upword angle of 45.0 degrees from the top of a 265-m cliff with a speed of 185 m/s. What will be its speed when it strikesthe ground below
A container holds 1.9 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 7.7x10-3 kg bullet with a speed of 630 m/s
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