What is the speed of the ball in orbit
You have a ball on a wire that is twirled in a circular orbit with a radius of 3.3 m, and the centripetal force acting on the ball, that has a mass of 47 kg, is 353 N. What is the speed of the ball in orbit?
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Oil with a kinematic viscosity of 0.0035ft3/s flows through a 4-in-diameter pipe with a velocity of 15ft/s. What will be the approximate distance from the pipe entrance to the first point at which the flow is established?
Explain, using either time-dilation or length contraction arguments. If they want to make the trip in 22 y what distance would the person travelling at nearly the speed of light measure (in light years, do not enter a unit)
The beam is 4.60 m long and has a mass of 260 kg (excluding the mass of the two supports). Each support is 0.530 m from its end of the beam. In unit-vector notation, what are the forces on the beam due to (a) support 1 and (b) support 2?
Gasoline is being discharged from a pipe at point 2 at elevation 66.66 m. Pint 1, located 965.5 m along the pipe from point 2, is at elevation 82.65 m, and the pressure there is 2.50 kPa.
An inverted cone is placed in a water tank. If the weight of the cone is 16.5 N, What is the tensile force in the cord connected to the cone to the bottom of the tank?
Police response time to an emergency call is the difference between the times the call is first received by the dispatcher and the time a patrol car radios that it has arrived at the scene. over a long period of time it has been determined that th
If the initial temperature of the pin is 800 degrees C determine the initial rate of change of energy storage of the pin.
A hypothetical A-B alloy of composition 59 wt% B-41 wt% A at some temperature is found to consist of mass fractions of 0.5 for both a and ß phases. If the composition of the ß phase is 88 wt% B-12 wt% A, what is the composition of the
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The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
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