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A thin uniform rod has a length of 0.520 and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. The rod has an angular velocity of 0.42 and a moment of inertia about the axis of 3.00×10?3 . A bug initially standing on the rod at the axis of rotation decides to crawl out to the other end of the rod. When the bug has reached the end of the rod and sits there, its tangential speed is 0.115 . The bug can be treated as a point mass.
Part A: What is the mass of the rod?
Part B: What is the mass of the bug?
What must the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction.
The power stroke of the myosin protein on an actin filament that generates tension in a muscle appears to be a 10 nm displacement generated by about a 1 pN force. How much work is done by one myosin in a single power stroke
Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), What is the stopping distance of the car
Two spherical drops of mercury each have a charge of 0.14nC and a potential of 310V at the surface. What is the potential at the surface of the new drop
A 42.0 kg seal at an amusement park slides from rest down a ramp into the pool below. If the seal reaches the water with a speed of 4.30 m/s, what is the work done by kinetic friction
After the Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state. Calculate the average density of the white dwarf
A 3kg object attached to a spring oscillates on a smooth horizontal surface. calculate the spring force F(t) exerted on the object versus time t.
A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 13 degree incline. His speed at the bottom is 13 m/s. What is the length of the incline
A test tube contains 2.90x10^-4 m3 of liquid carbon tetrachloride (? = 1240x10^-6 (C°)-1) at a temperature of 82.0°C. Find the volume of carbon tetrachloride in the test tube at -14.0°C
On a pleasure cruise a boat is traveling relative to the water at a speed of 4.94 m/s due south. find the magnitude of the passenger's velocity relative to the water
A sled weighing 1.0 X 10^2 N is held in place on a frictionless 20.0 degree slope by a rope attached to a stake at the top. The rope is parallel to the slope. What is the normal force of the slope acting on the sled.
What is the terminal speed at which the bar falls? Imagine the bar remains horizontal and in contact with the rods at all times.
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