Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired at a speed of 880 m/sec at an angle of 41°. How long will it take to get 22 km downrange? Round your answer to the nearest whole number.
A. 33 sec
B. 31 sec
C. 35 sec
D. It will never get that far downrange.
Answer: A
Mathematics
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = sin 5yi + cos 7xj ; C is the rectangle with vertices at (0, 0), 
, 
, and 
A. 
?
B. 0
C. - 
?
D. - 
?
Mathematics
Simplify the expression by combining like terms if possible.8x + x
A. 9x B. 10x C. 8x D. 8x + 1
Mathematics
Solve.x = 4055 + 2791
A. 6809 B. 6846 C. 6746 D. 7846
Mathematics
For the pair of similar figures, find the length of the unknown side.
A. 38 B. 40 C. 50 D. 32
Mathematics