The colors of the rainbow from shortest to longest wavelength are ______________________
Fill in the blank(s) with correct word
violet, indigo, blue, green, yellow, orange, red
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Projectile Motion: At target practice, a rifle bullet is fired at an angle of 30° below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike the level ground below if air resistance is negligible?
Fill in the blank(s) with the appropriate word(s).
Approximately how fast is a person located at the Earth's equator traveling due to the rotation of the Earth?
A) 1,700 km/hr B) 17 km/hr C) 17,000 km/hr D) 170 km/hr E) not moving at all
A copper wire of length 25.0 cm is in a magnetic field of 0.36 T. If it has a mass of 11.0 g, what is the minimum current through the wire that would cause a magnetic force equal to its weight?
a. 12 A b. 0.48 A c. 1.2 A d. 3.3 A e. 0.75 A
A board that is 20.0 cm wide, 5.00 cm thick, and 3.00 m long has a density 300 kg/m3. The board is floating partially submerged in water. What fraction of the volume of the board is above the surface of the water?
A) 0.300 B) It depends on which edge of the board is vertical. C) 0.700 D) zero E) 0.200