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The tires of a car make 58 revolutions as the car reduces its speed uniformly from 91km/h to 36km/h . The tires have a diameter of 0.84m. What was the angular acceleration of the tires? If the car continues to decelerate at this rate, how much more time is required for it to stop?
Consider a concave mirror with a focal length of 18.90 cm. Find the location of the image when the object is 10.20 cm from the mirror. What is the magnification of the image? What is the radius of curvature of the mirror in cm? Is is virtual and u..
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
In the figure below, the converging lens' focal length is 14.4 cm, d = 13.6 cm, and the diverging lens' focal length is -14.1 cm. Where is the image formed by the converging lens,
Monochromatic light (640 nm) strikes a pair of slits at normal incidence, forming the double-slit interference pattern on a screen located 1.82m from the slits. It shows the interference pattern observed on the screen. What is the slit separation.
Three resistors with values 1.0 , 2.2 , and 5.5 , respectively, are connected in parallel in a circuit with a 5.0 V battery. What is the total equivalent resistance
Two loudspeaker, 4.0 m apart and facing each other, play identical sounds of the same frequency. You stand halfway between them, where there is a max. of sound intensity. moving from this point toward one of the speakers, you encounter a min. of s..
Explain why heat can only be transferred from a hot object to a cold object and not the other way around.
A 73 long metal string under 35.5 tension has a linear mass density 2.20×10?4, Find the frequencies of the first three harmonics
A string of 22 identical Christmas tree lights are connected in series to a 125 V source. The string dissipates 52 W. What is the comparable resistance of the light string.
The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 146 kPa. Water flows through the pipe at 2.80 L/s. what should the diameter of the constricted section be
A grindstone of radius 4 m is initially spinning with an angular speed of 8 rad/s. The angular speed is then increased to 10 rad/s over the next 4 seconds. Imagine that the angular acceleration is constant.
Assume that, as lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears.
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