A 15kg. block is pushed by an upward force P = 40N making an angle of 50° with the horizontal surface. What is the coefficient of friction between the horizontal surface and the block, when the block impends to slide.
Solution:
Find the difference between the sums of an annuity due and an ordinary annuity for the following data:
Periodic payment = P10,000.00
Payment interval = 1 year
Term = 20 years
Interest rate = 12% compounded annually
Solution:
A horizontal force of 250 N pushes a flat bottomed 600 N block on a horizontal surface from rest to a velocity of 22 m/s after traveling 120m. What is the coefficient of friction between the block and the surface.
Solution:
The sides of a triangle are a = 23.9 m., b = 36.3m. The angle opposite side b is 102.7°. Determine the length of side c.
Solution:
If DE = 5.745 cm., and the coordinates of D and E are (2, 5, 4) and (x, 3, 6) respectively, what is the value of x?
Solution:
A horizontal platform with a radius of 2.5 m. rotates about its center at a constant angular speed of 10 rad/min. Find the normal acceleration in m/s2 of a point at the edge of the platform.
Solution:
What is the area of the hexagon inscribe by a circle having an area of 170 sq.m.
Solution:
The distance between points A(2, 10, 4)and B(x, 3, 6) is 9.434. What is the value of x.
Solution:
A particle moves along a path whose parametric equations are x = t3 and y = 2t2. What is the velocity when t = 2 sec?
Solution:
Find the surface area generated by rotating the first quadrant portion of the curve x2 = 16 – 18y about the y-axis.
Solution:
A nominal annual rate of interest rate of 6% compounded continuously is equivalent to an effective annual interest rate of:
Solution:
A nominal annual rate of interest rate of 6% compounded continuously is equivalent to an effective annual interest rate of:
Solution:
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