Average force the hammer exerts on the nail
The head of the hammer (m=1.5kg) moving at 4.5 m/s strikes a nail and bounces back with the same speed after an elastic collision lasting 0.075s. What is the magnitude of the average force the hammer exerts on the nail?
Expected delivery within 24 Hours
The number of customers arriving at the checkout counter in a department store during a one hour period is a Poisson random variable with parameter ? = 7. What is the probability of:
What are positive displacement pumps? Can these pumps be blocked in and overpressure the piping or a vessel? What if control valves stick closed? What if the control system on the PD pumps fails? How can it fail, and what could happen?
Use moody's diagram/ Reynolds number to solve. Water at 80°F flows from a storage tank through 550 feet of 6-inch nominal size cast iron pipe (actual ID = 6.52 inches).
Two persons A and B weighing 141 and 182 lb, respectively, jump off a floating platform (in the same direction) with a velocity relative to the platform that is completely horizontal and with a magnitude of Vo = 6.4 ft/s for both A and B.
A toy car of mass 2.0 kg moving to the right with a speed of 8.0 m/s collides perfectly in elastically with another toy car of mass 3.0 kg that is moving to the left with a speed of 2.0 m/s. Immediately after the collision the velocity of the sys
A survey is being planned to determine the mean amount of time corporation executives watch television. A pilot survey indicated that the mean time per week is 18 hours, with a standard deviation of 4.5 hours. It is desired to estimate the mean vi
Calculate the required air pressure above the water in the tank to produce 75 gal/min of flow. Flow area of schedule 40 steel pipe 1-1/2 inch = 2.036 in^2 or 0.01414 ft^2.
Tabulate the values of the quantum numbers nx, ny, nz for the 12 lowest energy levels of a particle in a container of volume V=L?
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Answers this question in first person narration, Long essay, simple words if I am planning to have a Career as a Social Worker to become a Probation Officer:
Please read and summarize the following article in point-form based upon the following criteria: - You should be able to state what the theme/idea/concept/theo
The living Faith Church Worldwide, also known as the Winners Chapel International, in America is on a mission to plant a Church in Puerto Rico.
Sexism continues to sustain the glass ceiling because it is embedded in social identity expectations and reinforced through implicit bias in decision-making
Blaine and Brenchley (2021) explain that gender stereotypes distort perceptions of competence and leadership fit, so women are more likely to be routed
Sexism sustains these challenges through entrenched social identity processes and gender role expectations. Social identity theory explains in group favoritism
Gender stereotypes remain deeply rooted in cultural expectations, and these assumptions often shape how individuals are perceived and evaluated