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Problem: It is friction that provides the force for a car to accelerate, so for high-performance cars the factor that limits acceleration isn't the engine; it's the tires.
Part A: For typical rubber-on-concrete friction, what is the shortest time in which a car could accelerate from 0 to 80 mph?
Please explain how you came to your conclusion. Thanks.
One end of a string, 15 mlong, is moved up and down with a simple harmonic motion at a frequency of 30 Hz. What is the wavelength of the waves on the string
You need a transformer that will draw 14W of power from a 220 V (rms) power line, stepping the voltage down to 12V (rms). A. what is the current in the secondary coil. B.What should be the resistance of the secondary circuit? C.What will be the equiv..
A woman measures the angle of elevation of a mountain top as 12 degrees. After walking one km closer to the mountain on level ground, she finds the angle to be 14 degrees. Select variable names for the two pictures.
You are working in a shoe test lab measuring the coefficient of friction for tennis shoes on a variety of surfaces. What is the coefficient of dynamic friction between the shoe and the material
An important discovery by J.J Thomson gives support to thetheory of simple electrostatic phenomena. What is the discovery andhow does it strengthen the theory?
A drawing shows three identical springs hanging from the ceiling. Nothing is attached to the first springs, determine the weight of the block hanging from the third spring
weights are sometimes added to the arms of a boomerang. what effect would this have on the spinning of the boomerang?
A 8.7kg block slides with an initial velocity of 1.66m/sec up a ramp inclined at 27.4 degrees with the horizontal. The coefficient of friction is 0.3. Use the energy consideration to discover the distance of the block on the ramp before the block com..
A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, What is the temperature change in the wire
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold.
A comet orbits the sun in a strongly elliptical orbit. The comet and star are far apart from other massive objects. what kind of energy does your system have
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Determine the current in the dead battery
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