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An air-filled ball of volume V and mass m is tied to the bottom of a pool so that it is completely underwater. The water in the pool has density p. The string holding the ball under water has tension T.
a) Draw a free body diagram of the ball tied underwater.
b) What is the string tension T in terms of V,m,p, and any constants?
A 1,576-kg car is moving down a road with a slope (grade) of 11% while slowing down at a rate of 3.6 m/s^2. find direction and magnitude of the frictional force
A tuning fork with a frequency of 440 Hz is held above a resonance tube that is partially filled with water. Where will the nodes and antinodes occur
What tension would you need to make a middle C (261.6 Hz) fundamental mode on a 1 m string (for example, on a harp)? The linear mass density is 0.02 g/cm.
A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 22 degrees.If the mirror is now rotated so that the angle of incidence increases by 5.0 degrees, what is the new angle between t..
a vector representing 170 n is oriented at 32 degrees with the horizontal. what is the magnitude of its horizontal
a 6.00 capacitor that is initially uncharged is connected in series with a 4500 resistor and a 506emf source with
Write the velocity and position as functions of time for car A. Write the acceleration, velocity, and position as functions of time for car B.
A ball with a mass of .25 kg is placed on top of a spring with a spring constant of 800. N/m. Determine the elastic potential energy of the ball
two equal resistances are connected in the gaps of a meter bridge. if the resistance in the left gap is increased by 10
a small freshman is released from rest and falls screaming 30.5 m near the surface of the earth. neglect air
suppose the PASCO track is 120 cm long. Assume the track is frictionless, and suppose one end is lifted by 1.66 cm. Find the angle between the track and the horizontal
A 10.0-g bullet is fired from a rifle having a barrel 0.60 m long. Choosing the origin to be at the location where the bullet begins to move, Find the speed of the bullet as it leaves the barrel
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