A car originally traveling at 30 m/s manages to brake for 5.0 seconds while traveling 125 m downhill. At that point the brakes fail. After an additional 5.0 seconds it travels an additional 150 m down the hill. What was the acceleration of the car after the brakes failed?
What will be an ideal response?
4.0 m/s2
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In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits simultaneously
A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other? A) 1.5 mm B) 3.0 mm C) 4.5 mm D) 6.0 mm E) 9.0 mm
How much energy is necessary to place three charges, each of 2.0 ?C, at the corners of an equilateral triangle of side 2.0 cm?
What will be an ideal response?
The magnetic moment of a current loop does not depend upon
A) the area. B) the current. C) the magnetic field.
Quarks have electric charges of magnitude
a. e. b. 1/3 e. c. 2/3 e. d. 0. e. none of the above