Solve the problem.The path of a projectile fired at an inclination ? (in degrees) to the horizontal with an initial speed v0 is a parabola. The maximum height H of the projectile is given by H =  (1 - cos (2?))where g is the acceleration due to gravity.Show that the maximum height H can be written H =  

What will be an ideal response?


H =  (1 - cos(2?)) =   (1 - (1 - 2 sin2 ?)) =  (2 sin2 ?) = 

Mathematics

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Write an equation for the parabola.

A. x2 = -4y B. y2 = 4x C. x2 = 4y D. y2 = -4x

Mathematics

Find the y-intercepts and any x-intercepts.y = x2 + 4x

A. y-intercept (0, 0), x-intercepts (0, 0) and (0, -4) B. y-intercept (0, 0), x-intercepts (0, 0) and (-4, 0) C. y-intercept (0, 0), x-intercept (-4, 0) D. y-intercept (0, 0), x-intercepts (0, 0) and (4, 0)

Mathematics

Graph the circle.x2 + y2 - 6x - 8y + 9 = 0

A.

B.

C.

D.

Mathematics

Express the number in terms of powers of the numbers in the expression.7 ? 3 ? 7 ? 3 ? 7

A. 3 ? 7 B. 35 ? 75 C. 32 ? 73 D. 2(3) ? 3(7)

Mathematics