A wave pulse travels along a stretched string at a speed of 200 cm/s. What will be the speed if:
a. The string’s tension is doubled?
b. The string’s mass is quadrupled (but its length is unchanged)?
c. The string’s length is quadrupled (but its mass is unchanged)?
d. The string’s mass and length are both quadrupled?
a. 282.84 cm/s
b. 100 cm/s
c. 400 cm/s
d. 200 cm/s