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A small solid ball is released from rest while fully submerged in a liquid and then its kinetic energy is measured when it has moved 5 cm in the liquid. The figure gives the results after many liquids are used. The kinetic energy K is plotted versus the liquid density ?liq, and K = 2.244 J sets the scale on the vertical axis. What is the density of the ball?
What is the volume of the ball?
A cylinder with a moveable piston contains 178 mL of nitrogen gas at a pressure of 1.22 atm and the temperature of 298 K. What should the final volume be for the pressure of the gas to be 1.52 atm at a temperature of 335 K.
A particle executes linear harmonic motion in one dimension with a frequency of 0.25 Hz about the point x=0. Determine an equation of motion for this oscillator
A horizontal piston-cylinder assembly contains 0.25 kg of an ideal gas (M=28.97 kg/kmol) of constant heat capacity (Cp=1 kj/kg*k and Cv=0.72 kj/kg*k), How much heat is transferred during this process
A 200-turn circular loop of radius 55 cm is vertical, with its axis on a line running east to west. What is the magnitude of the torque on the loop
A 245 turn coil has an area of 3.3 cm2 and rotates in a magnetic field of 0.5 T. What frequency will generate a maximum emf of 10 V
Let's build a helium atom. Start with a nucleus with 2 protons and 2 neutrons, Calculate the energy gained by the system constructing this atom
A 1.50 kg object is held 1.20m above a relaxed massless, vertical spring with a force constant of 320 N/m. The object is dropped onto the spring.
You clamp a straight ramp of length 51 cm making an angle of 18.0° with the horizontal table top, What time elapses from when the car leaves the ramp until it reaches the floor
The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90° and sending it north at 1.51 m/s. Illustrate what are the speed and direction of the first ball after the collision?
An automobile tire has a volume of 1 .64 x 10-2 m3 and contains air at a gauge pressure of 165 kPa when the temperature is 0.000C. What is the gauge pressure of the air in the tires
Two cars approaching each other collide and stick together after the collision. One car has a mass of 1820 kg, What was the initial velocity of the second car
What is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm.
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