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Two clay balls collide and stick. Ball 1had a mass of 10 kg and an initial velocity of 5m/s In the positive x direction ball 2 has a mass of 20 kg and an initial velocity of 5m/s in the positive x direction. Ball 2 has a mass of 20 kg and an initial velocity of 5m/s in the negative x direction, what is the final velocity of the combined mass?
A size-5 soccer ball of diameter 22.6 and mass 426 rolls up a hill without slipping, reaching a maximum height of 3.50 above the base of the hill. How much rotational kinetic energy did it then have
The displacement of a wave traveling in the positive x-direction is y(x, t) = (3.5 cm)cos(1.7x - 129t), where x is in m and t is in s. What is the frequency of this wave
A bicycle wheel of radius 22 cmis mounted at the middle of an axle 44 cm long. What is the angular velocity of precession
A sailor strikes the side of his ship just below the surfaceof the sea. He hears the echo of the wave reflected from the oceanfloor directly 3.09 s later. How deep is the ocean at this point
what is the coefficient of kinetic friction between the box and the tabletop.
A torque of 60 Nm producing a counterclockwise rotation is applied to the wheel about its axle. A frictional torque of 10 nm acts at the axle.If the wheel is observed to accelerate at the rate of 2rad/s2 under the influence of these torques, what i..
The potential difference between the plates of a capacitor is 180V. Midway between the plates; a proton and an electron are released. The electron is released from rest.
Coulomb damping between dry surfaces is a constant D always opposed to the motion. Determine the equivalent viscous damping.
An airplane pilot wants to fly on a course of 30 degrees north of west at airspeed of 650km/hr but encounters a steady wind of 50km/hr directed at 40 degrees south of east. What airspeed and direction should the pilot set
Determine the volumetric flow rate at the instant the water level in the tank is 2 meters above the level of the pump and 4 meters above the level of the pump
an experiment youre designing needs a gas with ? 1.45. you recall from your physics class that no individual gas has
A whistle of frequency 527 Hz moves in a circle of radius 78.4 cm at an angular speed of 13.7 rad/s. What are the lowest frequencies heard by a listener
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