A flywheel is brought from rest up to a speed of 1500 rpm in 1 minute. What is the average angular acceleration, α? A. 2.617 radians per second per second C. 333 radians per second B. 157 radians per second D. 5.23 radians per second per second Read more about A flywheel is brought from rest up to a speed of 1500 rpm in 1 minute. What is the average angular acceleration, alpha?1 commentLog in or register to post comments
The triangle defined by the points A(6, 1), B(2, 4), C(-2, 1) is… A. Isosceles C. Obtuse B. Right D. Equilateral Read more about The triangle defined by the points A(6, 1), B(2, 4), C(-2, 1) is…1 commentLog in or register to post comments
If three coins are tossed, how many possible ways are there of at least one coin showing tails? A. 5 C. 7 B. 6 D. 8 Read more about If three coins are tossed, how many possible ways are there of at least one coin showing tails?1 commentLog in or register to post comments
A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true? A. r = πS/2 C. r2 = S B. r = π/2S D. r = 2S/π Read more about A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true?1 commentLog in or register to post comments
Convert the equation (3a + 2b)2 into a polynomial. A. 9a2 + 6ab + 4b C. (a)2 + (3a)(2b) + (ab)2 B. 9a2 + 12ab + 4b2 D. (3a2 + 6ab + 4b2) Read more about Convert the equation (3a + 2b)^2 into a polynomial.1 commentLog in or register to post comments
Find C so that the line y = 4x + 3 is tangent to the curve y = x2 + C. A. 6 C. 7 B. 5 D. 4 Read more about Find C so that the line y = 4x + 3 is tangent to the curve y = x^2 + C.1 commentLog in or register to post comments
Find the equation of the line whose slope is -3 and the x-intercept is 5. A. x = -3y + 5 C. y = 3x + 15 B. 3x + y = 15 D. y = -3x + 5 Read more about Find the equation of the line whose slope is -3 and the x-intercept is 5.1 commentLog in or register to post comments
What is the value of x in trigonometric substitution with an integrand involving (a2 - x2)? A. a sec θ C. a sin θ B. a tan θ D. a cos θ Read more about What is the value of x in trigonometric substitution with an integrand involving (a^2 - x^2)?1 commentLog in or register to post comments
A decagon has how many diagonals? A. 35 C. 15 B. 10 D. 25 Read more about A decagon has how many diagonals?1 commentLog in or register to post comments
Find the equation of the line through (4, -7) parallel to the y-axis. A. y = -7 C. x = 4 B. x = -7 D. y = 4 Read more about Find the equation of the line through (4, -7) parallel to the y-axis.1 commentLog in or register to post comments