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1) A 0.420 kg ice puck, moving east with a speed of 3.12 m/s, has a head-on collision with a 0.890 kg puck initially at rest. Assuming a perfectly elastic collision, what is the speed of the lighter puck? Use east as the positive axis.
What is the speed of the heavier puck?
2) A ball with a mass of 0.65 kg is dropped on a table. The initial height of the ball is 0.85 meters. After the ball hits the table it rebounds to a height of 0.67 meters. The time that the ball is in contact with the table is 0.017 seconds. Note that this is not a purely elastic or inelastic collision.
Calculate the change in the momentum of the ball during its collision with the table.
Calculate the average force acting on the ball during its collision with the table.
Calculate the change in kinetic energy of the ball during its collision with the table.
A 51.1 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. what is the spring constant of the bungee cord
what is the lumberjack's speed relative to the shore? Neglect friction between the log and the water.
Light with a wavelength of 618 nm passes through a slit 7.52 wide and falls on a screen 1.88 m away. compute the linear distance on the screen from the central bright fringe to the first bright fringe above it.
Sam heaves a shot with weight 16-lb straight upward, giving it a constant upward acceleration from rest of 45.5m/s2 for a height 63.0cm, What is the speed of the shot when he releases it
A hockey puck moving at 33m/s slams through a wall of snow 38cm thick. It emerges moving at 19m/s. find the thickness of a snow wall
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of seawater is1025 kg/m3. determine the weight of a jetliner
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A laser beam is incident at an angle of 30.8° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.18° to the vertical, what is the index of refraction of the syrup solution
What is the electric flux through the circle when its face is perpendicular to the field lines?
think about the modes of substances in the gas phase and explain why potential energy is included in the thermal energy of some substances in the gas phase, when a monatomic solid/liquid turns into a gas, what are the PE and KE equal to then
Vector A points in the negative x direction. Vector B points at an angle of 60 above the positive x axis, Given A+B+C=0, find the magnitude of A and B
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
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