Determine the magnitude of force and parallel component
The hydraulic cylinder BD exerts on member ABC a force P directed along BD. Knowing that P must have a 750-N component perpendicular to member ABC, determine (a) the magnitude of the force P, (b) its component parallel to ABC.
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In a private company, employees tend to take sick days when they are not. If 40% of the employees that took a sick day say that they took the day because they were to lose those days. If we take a random sample of 16 employees from the company tha
A 1,420 kg boulder at rest, begins to roll down a 52 m long hillside. while rolling, the ground causes a frictional force of 12,040N. the boulder arrives at the bottom of the hillside with a speed of 19.5m/s. determine the boulder's original heigh
Suppose a lot is received and it has a 3% defective, i.e. there are only 3 defectives in the lot of 100 units. What is the probability that it will be accepted? Please write the mathematical equation for the probability of acceptance, and then cal
A 1.2 kg block is held at rest against a spring with a force constant k = 665 N/m. Initially, the spring is compressed a distance d.
Knowing that P must have a 750-N component perpendicular to member ABC, determine (a) the magnitude of the force P, (b) its component parallel to ABC.
A manufacturing process makes AA batteries. The voltage of these batteries is a random variable and the specification limit for an acceptable battery are:
a) What is the current density for this wire if the current is 6.1 Amp, and the radius is 5×10-4 m? b) What is the drift velocity for the electrons in this wire?
It has been found that the mean time required to answer an academic test is 75 minutes with a standard deviation of 14 minutes. Suppose that the time it takes for those who take the test follows a normal distribution function probability.
To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical height of 2.73 m. Find her speed at the bottom of the slide if she starts with an initial speed of 0.950 m/s.
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