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A cockroach of mass m lands at the center of the disk of a turntable and starts moving towards the edge of the disk with a fix speed while the disk is turning.
1) If the angular velocity of the disc right before the landing was ω0, what will it be when the cockroach reaches the edge of the disc?
2) Determine how will the angular velocity change if the cockroach starts walking clock-wise on the disk with a fix speed v relative to the ground?
3) Find how will the angular velocity change if instead of walking around, the cockroach jumps of the edge of the disk?
A hypodermic syringe contains a medicinewith the density of water. The barrel of the syringe has across-sectional area of 2.50x10^-5 m^2. Determine the medicine flow speed through the needle
An 80kg painter climbs a 2.45m ladder that is at an angle of 25 degrees with a vertical wall. what is the work done by gravity as the painter climbs the ladder
A sound source emits sounds of frequency 215 Hz that travel through still air at 340 m/s. Find the frequency heard by the listener
In Rutherfords famous scattering experiments thats led to the planetary model of the atom, How close does the alpha particle get to the gold nucleus before turning around
52 cm3 of gasoline are mixed with 40 cm3 of water. What is the average density of the mixture
An interior decorator install an aquarium that is 0.50 m wide, 2.00 deep, and 4.00 m long. what is the percent uncertainty in the volume
A microwave oven of mass 12.5kg is pushed a distance 8.00m up the sloping surface of a loading ramp inclined at an angle of 36.2? above the horizontal, What is the work done on the oven by the force
A 47.60 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 28.4 m. (a) avoid air resistance and determines the kinetic energy of ball at its highest point. (b) What is its speed while it is 8.02m below it..
A combination of blue light(n=1.60) and red light (n=1.50) is incident on the surface of a flat glass plate. Calculate the angle between the refracted bleu and red rays
A 300 hp car engine can deliver that maximum power at 6000 rpm. What is the engine's torque at that speed
A particle moves along x axis according to equations x =2.00+3.00t-1.00t2, where x is in meters and t seconds. At t=3.00s, determine (a) the position of particle. (b) its velocity, and (c ) its acceleration.
Suppose that the object rolls withoutslipping. If the size of the object is negligible and the radius ofthe loop is R, find the minimum height from which the objectmust be released, so that it does not loose contact, if itis
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