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A container is filled to the brim with 1.4 L of mercury at 20°C. As the temperature of the container and mercury is increased to 50°C, a total of 7.8 mL of mercury spill over the brim of the container. Determine the linear expansion coefficient of the material that makes up the container.
An aluminum rod is16.5cm long at 20°C and has a mass of 350 g. If14000J of energy is added to the rod by heat, what is the change in length of the rod
A 5.83 m long ladder with mass 23.1 kg rests against a smooth wall. Find the force of friction between the ladder and the ground
A massless spring hangs from the ceiling with a small object attached to its lower end. What is the frequency of the oscillation
A figure skater is spinning with an angular velocity of +14 rad/s. She then comes to a stop over a brief period of time. Determine the time during which she comes to rest
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm. Assume wavelength=632.8 nm.
You pull downward with a force of 32 N} on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.07 5m. Find the linear acceleration of the 0.61 kg mass.
A river flows due east at 1.43 m/s. A boat crosses the river from south shore to the north shore by maintaining a constant velocity of 10.5 m/s due north relative to the water.
A 0.7 kg mass is moving in a circle of radius 1.5 m on a flat frictionless table at the end of a string. What is the angular momentum of the mass
Estimate the thickness of the Earth's atmosphere. From your chemistry class, you know that the most common speed of a nitrogen molecule is 640 m/s. What is the altitude
Bonnie and Clyde are sliding 470 bank safe across the floor to their getaway car, What is the safe's coefficient of kinetic friction on the bank floor
A uniform thin rod of length 0.9 m and mass 2.6 kg can rotate in a horizontal plane about a vertical axis through its center. find the magnitude of the bullet's velocity just before the impact
1.) Hold the baseball and sheet of paper side by side. Predict which one will travel with the faster motion when released. Then drop them both at the same time. Did your prediction match the results?
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