Angular and Linear Quantities: A bicycle wheel has an outside diameter of 66 cm. Through what distance does a point on the rim move as the wheel rotates through an angle of 70°?
Fill in the blank(s) with the appropriate word(s).
40 cm
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A bobsled makes a run down an ice track starting at 250 m vertical distance up the hill. If there is no friction, what is the velocity at the bottom of the hill?
a. 35.0 m/s b. 49.5 m/s c. 46.7 m/s d. 70.0 m/s e. 58.3 m/s
Refer to the diagram of Racetrack X. 
Refer to the diagram of Racetrack X. It is ________ for a racer to have uniform acceleration ________ on this track.
A. possible; everywhere B. guaranteed; at some places C. impossible; anywhere D. impossible; at some places
A Young's double-slit apparatus is set up where a screen is positioned 1.2 m from the double slits. If the distance between alternating bright fringes is 0.83 cm, and the light source has a wavelength of 579 nm, what is the separation of the double slits? (1 nm = 10?9 m)
a. 1.2E–2 m b. 8.4E–5 m c. 7.0E–6 m d. 9.0E–5 m e. 4.0E–9 m
Which of the following type(s) of materials is(are) repelled when a magnet is brought near by?
a. paramagnetic b. diamagnetic c. ferromagnetic d. paramagnetic and ferromagnetic e. paramagnetic, ferromagnetic, and diamagnetic