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Question: A wooden beam 12 ft long is supported at the ends. if the rough-sawn cross section is 6 by 8 in and the allowable bending stress 1100 psi, what total uniform load can the beam support? Answer must be TYPED, double-spaced, use Times New Roman size 12 font for body of report. Include a cover page.
A woman stands on a scale in a moving elevator. Her massis 60.0 kg and the combined mass of the elevator and scale is anadditional 815 kg. What does the scale readduring the acceleration
Many cultures around the world still utilize a simple weapon called ablowgun, a tube with a dart that fits tightly inside. A sharp breath into the end of the tube launches the dart. When exhaling powerfully, a healthy person can supply air at a gauge..
A parallel plate capacitor has a potential difference between the plates of 80 V. what is the electrical energy stored by this capacitor
When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. Explain how long is the arm of the centrifuge?
Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-..
A large tank of water is full and has a depth of 10.0 m. What is the pressure at the bottom of the tank? What would the velocity of the water be if the tank was opened at the bottom? A Two balloons of identical volume (radius 11.5 m) are filled with ..
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
An electron and a proton are each placed at rest in a uniform electric field of magnitude 568 N/C. Calculate the speed of each particle
I am rising upward in a hot air balloon. I am holding my coffee container and i accidentally let go of it when I am leaning out and enjoying the view. Whats the greatst height the container achieved in its flight
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
If you run toward the ball at a speed of 4.4 m/s, and the ball is flying directly at you at a speed of 32 m/s, what is the magnitude of the total momentum of the system (you and the ball)? Assume your mass is 60 kg.
The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece
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