Lorine

Popular questions and responses by Lorine
  1. Physics

    An attacker at the base of a castle wall 3.95 m high throws a rock straight up with speed 5.00 m/s from a height of 1.50 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed

    asked on September 15, 2014
  2. Physics

    Automotive engineers refer to the time rate of change of acceleration as the "jerk." Assume an object moves in one dimension such that its jerk J is constant. (a) Determine expressions for its acceleration ax(t), velocity vx(t), and position x(t), given

    asked on September 10, 2014
  3. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

    asked on September 24, 2014
  4. Calculus-Math

    The endpoints of a movable rod of length 1 m have coordinates (x, 0) and (0, y) (see figure). The position of the end on the x-axis is given in the equation below, where t is the time in seconds. x(t) = 1/8 sin(πt/4) (c) Find the speed of the y-axis

    asked on August 30, 2014
  5. Calculus-Math

    The speed S of blood that is r centimeters from the center of an artery is given below, where C is a constant, R is the radius of the artery, and S is measured in centimeters per second. Suppose a drug is administered and the artery begins to dilate at a

    asked on August 9, 2014
  6. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

    asked on September 24, 2014
  7. Calculus-Math

    Use the given information to find f '(8). f(x) = 9g(x) + h(x) g(8) = 1 and g'(8) = 5 h(8) = 8 and h'(8) = -3 f'(8)=

    asked on August 5, 2014
  8. Physics

    An attacker at the base of a castle wall 3.95 m high throws a rock straight up with speed 5.00 m/s from a height of 1.50 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed

    asked on September 15, 2014
  9. Calculus-Math

    The cost of producing x units of a product is C = 60x + 1350. For one week management determined the number of units produced at the end of t hours during an eight-hour shift. The average values of x for the week are shown in the table. t 0 1 2 3 4 5 6 7 8

    asked on August 11, 2014
  10. Calculus-Math

    The length of a rectangle is given by 2t + 2 and its height is √t, where t is time in seconds and the dimensions are in centimeters. Find the rate of change of the area with respect to time. A'(t)=

    asked on August 5, 2014
  11. Calculus-Math

    Complete the table without using the Quotient Rule. Function y=2x^(7/2)/x Rewrite y= Differentiate y'= Simplify y' =

    asked on August 6, 2014
  12. Calculus-Math

    Find d2y/dx2 in terms of x and y. x^2y^2-2x=3

    asked on August 9, 2014
  13. Calculus-Math

    Find the derivative of 4 sec^7 (πt − 6)?

    asked on August 25, 2014
  14. Calculus-Math

    Complete the table. y = f(g(x)) u = g(x) y = f(u) y = (x + 18)^(-1/2) u = ? y=? Use the chain rule.

    asked on August 8, 2014
  15. Calculus-Math

    The speed S of blood that is r centimeters from the center of an artery is given below, where C is a constant, R is the radius of the artery, and S is measured in centimeters per second. Suppose a drug is administered and the artery begins to dilate at a

    asked on August 9, 2014
  16. math

    The diameter of an electric cable is normally distributed, with a mean of 0.6 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.61 inch?

    asked on March 4, 2014
  17. Math

    What is the derivative of 5x^7/97x+9?

    asked on August 25, 2014
  18. Calculus-Math

    Complete the table. y = f(g(x)) u = g(x) y = f(u) y = (2x − 4)^7 u = y= This problem involves the chain rule of derivatives.

    asked on August 8, 2014
  19. Calculus-Math

    Find an equation of the tangent line to the graph at the given point. 3(x2 + y2)2 = 100(x2 − y2), (4, -2)

    asked on August 9, 2014
  20. SCI/230

    i am taking SCI/230 from the Univ of Phoenix and I need to know what Mendel's six principles are and an example if each. We are using page 78 in Chapter 3

    asked on October 30, 2010
  21. Calculus-Math

    Derivative of x^7/7x^3-45x+25

    asked on August 22, 2014