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Two particles, each with mass m = 0.84 kg, are fastened to each other, and to a rotation axis at O, by two thin rods, each with length d = 5.6 cm and mass M = 1.4 kg. The combination rotates around the rotation axis with angular speed ω = 0.33 rad/s. Measured about O, what is the combination's (a) rotational inertia and (b) kinetic energy?
What is the total work done by the gravitational force on the object? Now that you know the value of the total work, use the work energy theorem to find the magnitude of the final velocity vf.
a person who weighs 705 n is riding a 98-n mountain bike. suppose the entire weight of the rider and bike is supported
Consider the system with m1 = 24kg, m2 = 14.60kg, R = 0.1400m, and the mass of the pulley M = 5.0kg. Object m2 is resting on the floor, and object m1 is 4.600m above the floor when it is released from rest. The pulley axis is frictionless. The cor..
Two ice skaters, with masses of 50.0kg and 75.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink. If the heavier skater reaches the edge in 40.0s , how long does..
If the air temperature decreases with altitude at a rate of 0.6 degrees celsius/100 m, at approximately what height above the ground will clouds form if the relative humidity at the surface is 35%? (Hint: Use the table following table.)
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 8.00km below the surface. What's the water pressure at that depth? Find the fractional volume change in the spoon due to compression forces.
on a day when the temperature is 20degc a concrete walk is poured in such a way that its ends are unable to move.a what
The moment of inertia about the axis of rotation of the remainder of his body is constant and equal to 0.450kg?m2. If the skater's original angular speed is 0.450rev/s, What is his final angular speed
Three blocks, each having a mass of 1.21 kg, are connected by rigid rods of negligible mass and are supported by a frictionless surface. Forces F1 and F2, of magnitude 4.95 N and 11.6 N respectively, find The magnitude of the force applied by the r..
A satellite is in orbit about Earth. Its orbital radius is 8.73 × 107 meter. The mass of the satellite is 1103 kilogram and the mass of Earth is 5.979 × 1024 kg. Compute the orbital speed of the satellite
Find the ratio of the fractional decrease in mass of the nuclear fuel to the fractional decrease in mass of gasoline when each is burned.
two very small objects whose charges are 1 c and -1 c are separated by 1.5 m. what is the magnitude of the electric
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