If all the components of a vector are equal to 1, then that vector is a unit vector. if all the components of a vector are equal to 1, then that vector is a unit vector. a. true b. false

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Reflect the point (7,0) across the y-axis