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Your roommate is working on his bicycle and has the bike upside down. He spins the 64 -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second. what is the p
What is a rock? What is the rock cycle? List three types of rocks and an example of each. What type of rocks are mainly found in NE Ohio?
Question: If a soap bubble is 140 nm thick, what wavelength is most strongly reflected at the center of the outer surface when illuminated normally by white light? Assume that = 1.37.
What is the Effect of an Oil Spill on Water resources and our environment? When oil spills occur, concerns are raised about the effects of oil on the water, animals, and environment.
A sprinter starts from rest and accelerates to her maximum speed of 9.5 m/s in a distance of 9.3 m. What was her acceleration, if you assume it to be constant?
A chain (discrete catenary) has n links; mass and length of each link is known. What are the magnitudes of forces that act upon links? What is the tension in the rope?
An office heater puts out 2010 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ, how many mega joules of energy in the form of heat can be produced pe
If water is being pumped into the tank at 8 ft.3/min, find the rate at which the water is rising when the water is 6 ft. deep.
Two polarizers are out of alignment by 24.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters, wha
A rectangular loop of copper wire of resistance R has width a and length b. The loop is stationary in a constant, uniform magnetic field B0, directed into the page. What is the net magnetic flux thr
A beaker containing 300mL of water at 20 clesius has a 150g piece of Aluminum at 50 celsius placed in it. What is the final equilibrium temp of the water and aluminum?
Find the angular displacement of the tub during a spin of 76.7 s, expressed both in radians and in revolutions.
A toy car of mass 3.0 kg is stationary and a child rolls a truck of mass 3.5kg straight toward it with a speed of 7.0 m/s. What are the velocities of the truck and the car with respect to the center
Consider an LC circuit with L=.340 Henrys and C=.0180 Farads. The capacitor is initially charged to q= 76.0 milliCoulombs.
A 500 g mass hangs at the end of a 40 cm long string. It is struck by a 250 g mass moving at 0.5 m/s to the right. Find the maximum height to which the pendulum rises.
A gass has 100 J of energy in the form of heat is transfered to a system and the system does 150 J of work, what is the change in the internal energy of the system?
What is the maximum acceleration of the table without the device leaving contact with it? At the frequency found in b) what is the maximum speed of the table? At what point in the table's motion d
Two wires A and B made of the same material and having the same lengths are connected across the same voltage source. If the power supplied to wire A is three times the power supplied to wire B, what
An object on a horizontal spring oscillates with a period of 1.20 s and an amplitude of 10.0 cm. What is the phase constant of the motion?
This question deals with air track experiment and collisions of the track cars. Was it necessary to have equal length intervals in the experiment to investigate properly the conservation of momentum
500 g mass hangs at the end of a 40 cm long string. It is struck by a 250 g mass moving at 0.5 m/s to the right. Find the velocities of both masses immediately after the collision.
A cubic meter of copper has a mass of 8930kg. The block of copper is lowered into a lake by a strong cable until the block is completely submerged. What is the tension in the cable--using gravity=10
A 90.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 38.0 deg with the horizontal. Find the magnitude of the applied force F. What is the
A student finds the following values from a graph between M and x in the static method of determining the spring constant k:
A baseball played of mass 93.2 kg is sliding horizontally into 2nd base retarded by a force of 575.4 N. What is the coefficient of kinetic friction between the player and the ground?