Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = , where t is measured in seconds. Solve the equation for h. Use the result to determine the height from which an object was dropped if it hits the ground after falling for 6 seconds.

A. h = 24.01t2; 864.4 meters
B. h = 4.9t; 29.4 meters
C. h = 24.01t; 144.1 meters
D. h = 4.9t2; 176.4 meters


Answer: D

Mathematics

You might also like to view...

Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.tan(sec-1 )

A.
B. 2x
C.
D.

Mathematics

Evaluate the expression for the given replacement values.  for x = 40, y = 5

A. 288 B. 315 C. 45 D. 72

Mathematics

Factor the trinomial completely.3x5 + 6x4 - 45x3

A. 3x3(x2 + 2x - 15) B. x3(x + 5)(3x - 9) C. 3x3(x + 5)(x - 3) D. x3(3x + 15)(x - 3)

Mathematics

Add. + 

A. 0
B.
C.
D. 1

Mathematics