3. The lead singer of a band bought a new microphone for his next performance. What type of energy transformation is taking place in the microphone?
A. heat to electrical
OB. light to heat
O C. electrical to sound
O D. sound to heat

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

c. magnitude and direction