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An electrical motor uses the principles of electromagnetism to convert electrical energy to mechanical energy (motion).
A 5600 kg mass car is taking a turn at 72 m/s. If the frictional force here is 44,000N, what is the radius of curvature of the turn?
What is the probability that exactly 6 bits change? What is the probability of no bits changing?
Calculate the value of the output voltage, Vout, in the circuit in Figure 8-1 below. Take care this circuit has a dependent source in it.
If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck?
What are the initial and final tensions in the string? What was the change in kinetic energy of the block?
A truss supporting a factory is provided in the figure below. Determine the forces in the marked members "F2 and F1" of the truss.
What is the pressure at the bottom of the tank? What would the velocity of the water be if the tank was opened at the bottom?
The density of the explosive is about 800 kg m-3 Calculate the average radius of the bomb if the length was fixed at 1.6 meters.
Use conservation of momentum in an elastic collision to find the new velocities of the large and small balls after they collide.
What is the probability of one bullet missing the guys head? What is the probability that all the bullets will miss?
Draw a clearly labeled free-body diagram for the kid on a sled. Calculate the tension in the tow rope.
Sketch a plot of velocity versus time. It took the player 1.25 s to reach this velocity, accelerating from rest. What was the initial acceleration?
How far from the center of the Sun is the center of gravity of the Earth-Sun system? [Note: the radius of the Sun is 7.0x108 m.]
A single bass amplifier produces a volume of 102 dB. What is the sound level if a guitar amplifier what produces 98 dB is played at the same time?
Discuss how the conservation of energy law explain whys the temperature of a gas increases when it is quickly compressed.
What explanation might you give to explain the differences for specific heats of monatomic. diatomic and triatomic gases?
What is the radius of the wire, assuming it has a circular cross-section?
Be sure to carefully determine the polarity of the measurement and also show the magnitude of Vin order to get full credit.
Describe the difference between acute and chronic stressors.
Find the magnetic field (magnitude and direction) generated by the current at y = 0 and as a function of the radial distance from the wire.
What is a liposome? Draw structure of a unilamellar liposome. Describe two applications of liposomes? Describe one method for preparing unilamellar liposome.
Identify and describe at least three (3) factors contributing to the accuracy of sensory data.
What is the total work done on the gas in the process? What is the total change in internal energy?
Find the current in the large circuit 100 µs after S is closed. Find the current in the small circuit 100 µs after S is closed.