The coefficient of static friction between the tires of a car and the street is µs = 0.58 . Of the following, what is the steepest inclination angle of a street on which a car can be parked (with wheels locked) without slipping?
a. 22.5°
c. 38°
b. 30°
d. 45°
B
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The density of air at room temperature is about 1.2 g/cm3. This is the same as
A) 12 kg/m3. B) 120 kg/m3. C) 1200 kg/m3.
Describe how web designers use font families, backup fonts, and embedded fonts in a website.
What will be an ideal response?
Which of the following instruments is used in the field of high energy physics to accelerate protons to very high energies along circular paths?
a) magnetron b) synchrotron c) ignitron d) betatron e) quartertron
In a double-slit experiment, the distance between the slits is 0.2 mm and the distance to the screen is 150 cm. What is the phase difference (in degrees) between the waves from the two slits arriving at a point P when the angular distance of P is 10° relative to the central peak, and the wavelength is 500 nm? (Convert your result so the angle is between 0 and 360°.)
A. 145° B. 155° C. 165° D. 135° E. 95°