Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 3? seconds
B. 2.8? seconds
C. 3 seconds
D. 2.8 seconds
Answer: C
You might also like to view...
Solve the problem.The speed of a ball dropped from a tower is given by the formula f = 32t where f is in feet per second and t is the number of seconds since the ball was dropped. Find the speed of the ball after 4 seconds.
A. 4 feet per second B. 118 feet per second C. 128 feet per second D. 32 feet per second
For the application, write a sentence answering the question.A snail is moving at 2
feet per minute. How far will it move in 3
minutes?
A. The snail will move 7
feet in 3
minutes.
B. The snail will move 6
feet in 3
minutes.
C. The snail will move 9
feet in 3
minutes.
D. The snail will move 8
feet in 3
minutes.
Solve the problem.A committee is selected to vote yes or no on a proposed location for a new parts distribution center. The committee is composed of three people who live in (A)bbeytown, five people who live in (B)arnsborough, six people who live in (C)hatterville, eight people who live in (D)itherburgh, and nine people who live in (E)lkington. At least 23 votes are required for a decision, and the committee members will vote in blocs according to their places of residence. List all winning coalitions, and identify those blocs that are critical to each of the winning coalitions.
A. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E} ; Only D and E are critical to {A, B, C, D, E} ; Only C, D, and E are critical to {B, C, D, E} ; Only C, D, and E are critical to {A, C, D, E} ; A, B, D, and E are critical to {A, B, D, E} ; A, B, C, and E are critical to {A, B, C, E} ; C, D, and E are critical to {C, D, E} ; B. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E} ; Only E is critical to {A, B, C, D, E} ; Only C, D, and E are critical to {B, C, D, E} ; Only C, D, and E are critical to {A, C, D, E} ; A, B, D, and E are critical to {A, B, D, E} ; A, B, C, and E are critical to {A, B, C, E} ; C, D, and E are critical to {C, D, E} ; C. {A, B, C, D, E}, {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E} ; Only E is critical to {A, B, C, D, E} ; Only C, D, and E are critical to {B, C, D, E} ; Only C, D, and E are critical to {A, C, D, E} ; Only B, D, and E are critical to {A, B, D, E} ; Only B, C, and E are critical to {A, B, C, E} ; C, D, and E are critical to {C, D, E} ; D. {B, C, D, E}, {A, C, D, E}, {A, B, D, E}, {A, B, C, E}, {C, D, E} ; Only C, D, and E are critical to {B, C, D, E} ; Only C, D, and E are critical to {A, C, D, E} ; A, B, D, and E are critical to {A, B, D, E} ; A, B, C, and E are critical to {A, B, C, E} ; C, D, and E are critical to {C, D, E} ;
Solve.In the land of Taxalot, the function T(x) = 0.20(x - 8700) + 780 represents the tax bill T of a single person whose adjusted gross income is x dollars for incomes between 8700 and 30,000 inclusive. What is the implied domain of this linear function?
A. (8700, 30,000] B. [8700, 30,000] C. (8700, 30,000) D. [8700, ?)