WILL GIVE BRAINLIEST FOR RIGHT ANSWER 16 POINTS

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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)

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.