Acrossbow:
a. can shoot farther than conventional bows
b. shoots bolts or short arrows
c. has straight limbs that arc when the bow is strung
d. is the traditional bow

The answer is B.

Explanation:

A crossbow is a type of elastic ranged weapon in similar principle to a bow, consisting of a bow-like assembly called a prod, mounted horizontally on a main frame called a tiller, which is handheld in a similar fashion to the stock of a long gun. It shoots arrow-like projectiles called bolts or quarrels.

v=ir = 3x15 =45 v