Find out the mass of the worker
A worker stands still on a roof sloped at an angle of 39° above the horizontal. He is prevented from slipping by a static frictional force of 500 N. Find the mass of the worker.
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A car (m = 1540 kg) is parked on a road that rises 17.2 ° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
At 1400 mm Hg and 286 K a diver exhales a 208 mL bubble of airthat is 77% N2 , 17% O2, and 6%CO2 by volume. How many milliliters would the volume of the bubble be at the surface and 298 K and how many moles of N2 are in the bubble?
What is the volumetric flow rate of the air entering the compressor in ft3/min? What are the temperatures at the compressor and turbine exits in °R? What is the thermal efficiency of the cycle?
Suppose that in front of a hotel in a large city, successive 20 second intervals constitute independent trials, in which either a single cab will arrive (with probability 0.2), or no cabs will arrive (with probability 0.8). Find the probability th
A solution contains 0.021 M Ba2+ and 0.017 MCa2+. A solution containing fluoride ions is addedto selectively precipitate one of the ions. At what concentration of fluoride ions will a precipitate begin to form?
Calculate the total thermal macroscopic cross section in cm-1 for a UO2 fuel pellet of mass density 10.0 g/cm3 containing 4.2 w/o (weight percent) enriched uranium.
A screening test shows a positive result in 95% of all cases when disease is present and in 20% of all cases when it is not. When adminestered to a large number of people, 21.5% of the results were positive. What is the prevalence of the disease?
Take a golf ball on the moon for a lunar driving range. What speed would you need to give a lunar golf ball in order to put the ball in orbit around the Moon? Do you think it could be done?
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What is your personal response to the following buildings? Look at the links for the following buildings and write brief answers to the questions below
When crafting a protagonist for your fiction piece, what aspect do you find most challenging to make compelling and relatable to your audience?
Create an integrated physical activity for a classroom setting (non-gymnasium). Discuss what classroom curriculum this will cover
What are meta-theories? List the assumptions of the nature of humans. Briefly describe the maturational meta-theory. What about your personal experiences makes
Discuss its pathophysiology, including contributing factors and underlying mechanisms. Propose health promotion strategies to prevent or manage this condition.
This discussion post aims to explore the role and impact of community partnerships or coalitions in promoting health and well-being within your home community
Across healthcare settings, a vast amount of information is collected and analyzed to assess organizational outcomes regarding quality, safety, and efficiency.