Sample Problem 3

differential solution, electronics, Sample Problem 3


If the function f(t) is the current in amperes entering the positive terminal of an element at time t(seconds),
Find:
(a) The total charge that has entered between 4 and 9 seconds.
(b) The charge entering at 8 seconds.



Solution:

A)


;

B)

Sample Problem 2

Sample Problem 2

Statics and Rigid Bodies

A Force of 2.5kN is applied by a cable attached to the bracket. What are the horizontal and vertical components of this force.

Sample Problem 1

Sample Problem 1

Statics and Rigid Bodies

Knowing that φ=30°, determine the magnitude of the force P so that the resultant force exerted on the cylinder is vertical. What is the corresponding magnitude of the resultant?