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A large wooden turntable in the shape of a flat disk has aradius of 2.00m and a total mass of 120kg. The turntable isinitially rotating at 3.00rad/s about a vertical axis through itscenter. Suddenly, a 70.0kg parachutist makes a soft landing on theturntable at a point on its outer edge.
Find the angular speed of the turntable afterthe parachutist lands.(Assume that you can treat the parachutist asa particle.)
question an electron accelerated from rest through a voltage of 420 v enters a region of constant magnetic field. if
Consider a car undergoing these two displacements: D1 (3 km, 4 km) and D2 (4km, -3 km). how far will the car then be from its starting point
a car moves with a speed v on a horizontal circular highway turn of radius is r 100. assume the height of the cars
A 15.0 kg bucket of water is suspended by a very light rope wrapped around a solid uniform cylinder 0.300 m in diameter with a mass of 12.0 kg. What is the tension in the rope while the bucket is falling
A paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed, insulated container. The paddle wheel is driven by a cord connected to a falling object as shown in the drawing. In this experiment, a 5.0-kg object falls throu..
Two identical traveling waves, moving in the same direction, are out of phase by ?/4.0 rad. What is the amplitude of the resultant wave in terms of the common amplitude ym of the two combining waves
The left ventricle of the heart accelerates blood from rest to avelocity of +24cm/s. How much time does blood take to reach its final velocity?
it is claimed that some professional baseball players can see which way the ball is spinning as it travels toward home
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the g..
A copper cable (p=1.7*10^-8ohms*m) is designed to carry a current of 300A with a power loss of 2W/m. What is the required radius of this cable
A 55.0cm long brass rod has a diameter of 3.00cm. What compression force will break this rod? What tension force will break this rod
Vector A has a magnitude of 33 and is pointing at an angle a=73° east of north. Vector B has a magnitude of 18 and is pointing at an angle b=55° south of west. Find the magnitude and direction of A+B (the sum of two vectors is more commonly known ..
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