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Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas?
Minutes per gallon, because the independent quantity is the gallons
Minutes per gallon, because the independent quantity is the minutes
Gallons per minute, because the independent quantity is the gallons
Gallons per minute, because the independent quantity is the minutes
A 3700-Ω resistor and a 1.6-µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Decide the average power delivered to the circuit.
he rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically r=0.002. How far will the locomotive move during this time
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
Using focused laser light, optical tweezers can apply a force of about 14pN to a 1.1\mu m diameter polystyrene bead, Estimate the bead's acceleration in g's
q1. a diatomic gas molecule has a mass of 2.01 x 10-26 kg and a rotational inertia of 3.37 x 10-46 kgbullm2 about an
An air-filled cylindrical inductor has 2500 turns, and it is 3.8 in diameter and 32.6 long. What is its inductance? How many turns would you need to generate the same inductance
the four tires of an automobile are inflated to a gauge pressure of 1.7105 pa. each tire has an area of 0.023 m2 in
Two 40.0 µF capacitors in parallel are connected across a sinusoidal ac generator operating at 60.0 Hz. how much current passes through each capacitor
A thin rod (length = 1.762 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. find the magnitude of the angular acceleration of the rod
A block of plastic (0.7 kilogram) is sitting on a rough horizontal plane (μk = 0.4). Find what is the speed of the block after the bullet passes through it
Req = R1 + R2 + R3. First, find the equivalent resistance Req for all resistors involved. Then find the current through Req. The voltage for each resistor can be calculated using the resistor value, current and the equation V=IR
Explain the changes in acceleration, velocity, and net acceleration Of a man jumping off a plane in a parachute. Describe the changes with valid scientific principles.
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