Solve.The formula
gives the distance d in feet that a projectile will travel when its launch angle is ? and its initial velocity is v0 feet per second. Approximately what initial velocity in miles per hour does it take to throw a javelin 320 feet with a launch angle 47°?

A. 139.32 miles per hour
B. 80.68 miles per hour
C. 69.08 miles per hour
D. 101.32 miles per hour


Answer: C

Mathematics

You might also like to view...

Evaluate the improper integral or state that it is divergent.

A. Divergent B. 1.569 C. -1.569 D. 0.193

Mathematics

Perform the indicated operation. Use the form for vectors.v = <-6, -7>, w = <9, -1>, u = <3, -4>; Find v + w - 8u.

A. <-5, 8> B. <-13, 8, 8> C. <6, -12> D. <-21, 24>

Mathematics

Perform the indicated operation

Mathematics

The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.y = - x2x + y = -4

A. (4, -8) B. (-8, 4) C. (4, -6) D. (4, 8)

Mathematics