Solve the problem.If an object is propelled upward from ground level with an initial velocity of 89.6 feet per second, its height h in feet t seconds later is given by the equation
After how many seconds does the object hit the ground? Round to the nearest tenths.
A. 0.2 sec
B. 5.6 sec
C. 11.2 sec
D. 2.8 sec
Answer: B
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Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval, and indicate the x-values at which they occur.f(x) = x2 - 2x + 2; [0, 3]
A. Absolute maximum = 5 at x = 3; absolute minimum = 3 at x = 0 B. Absolute maximum = 2 at x = 0; absolute minimum = 3 at x = 3 C. Absolute maximum = 5 at x = 3; absolute minimum = 1 at x = 1 D. Absolute maximum = 2 at x = 0; absolute minimum = 1 at x = 1
A plane lamina with constant density p(x,y) = 12 occupies a region in the xy-plane bounded by a simple closed path C. Its moments of inertia about the axes are
Find the moments of inertia about the axes, if C is a rectangle with vertices (0, 0), (4, 0), (4, 5) and (0, 5).
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 12 miles per hour. In how many hours will they be 66 miles apart?
A. 2 hours B. Not enough information C. 3 hours D. 4 hours
Use a polar coordinate system to plot the point with the given polar coordinates.
A.
B.
C.
D.