If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.r(t) = (cos 2t)i + (4 sin t)jFind the acceleration vector.

A. a(t) = (-4 cos 2t)i + (-16 sin t)j
B. a(t) = (-4 cos 2t)i + (-4 sin t)j
C. a(t) = (4 cos 2t)i + (-4 sin t)j
D. a(t) = (-2 cos 2t)i + (4 sin t)j


Answer: B

Mathematics

You might also like to view...

Solve the problem.Determine the value of x.

A. 73° B. 57° C. 67° D. 115°

Mathematics

Provide an appropriate response.In the term 12x2y, the number 12 is called the ____ of the term.

A. coefficient B. product C. quotient D. factor

Mathematics

Construct a truth table for the statement.~((w ? t) ? q)

A.

TTTF
T T F F
T F T F
T F F T
F T T F
F T F T
F F T F
F F F T
B.
TTTT
T T F F
T F T T
T F F F
F T T T
F T F F
F F T T
F F F F

Mathematics

Use FOIL to multiply.(x - 2)(x + 10)

A. x2 - 8x + 20 B. 2x - 20 C. 2x2 + 20 D. x2 + 8x - 20

Mathematics