Suppose a gun with a muzzle velocity of 1200 feet per second is fired at an angle of 4° above the horizontal.Find the horizontal component of the velocity.Round your answer to two decimal places.
A)1,240.08 ft/sec
B)2,395.15 ft/sec
C)1,197.08 ft/sec
D)2,393.15 ft/sec
E)1,209.08 ft/sec

Question

Suppose a gun with a muzzle velocity of 1200 feet per second is fired at an angle of 4° above the horizontal.Find the horizontal component of the velocity.Round your answer to two decimal places. ​
A)1,240.08 ft/sec
B)2,395.15 ft/sec
C)1,197.08 ft/sec
D)2,393.15 ft/sec
E)1,209.08 ft/sec

Quizplus · Accepted Answer

The horizontal component of the velocity can be found by multiplying the initial velocity by the cosine of the angle of elevation:

horizontal component = (1200 ft/sec) cos(4°) ≈ 1,197.08 ft/sec

Therefore, the answer is C.

Suppose a Gun with a Muzzle Velocity of 1200 Feet