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 ?) =
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be of an acre. How many lots will the land developer have in the 8 acres?
A. lot
B. 1 lots
C. 2 lot(s)
D. 28 lots
Add.(5 - 9x4 + 8x6 + 3x5) + (7x5 - 4x4 + 2 + 3x6)
A. 8x30 + 7 B. 11x12 + 10x10 - 13x8 + 7 C. 12x6 + 12x5 + 10x4 + 6 D. 11x6 + 10x5 - 13x4 + 7
Solve the problem.On a test, Manuel answered incorrectly 69 questions or 46% of the questions. How many questions were on the test?
A. 67 B. 0.67 C. 1500 D. 150
Solve the initial value problem. =
+
, y(0) = -5
A. y = 2 tan-1 + 7 sin-1 x
B. y = 10 tan-1 x - 7 sin-1 x - 5
C. y = 10 cot-1 x - 7 sin-1 x
D. y = 2 tan-1 + 7 sin-1 x - 5