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Solve the following question given below:
Question I: What is the maximum allowable deflection (in inches) of a platform plank 7'-0" long?
Question II: A 7'-0" platform plank of select structural spruce-pine-fir (south) is loaded by 50 psf. What is its maximum deflection? Check the plank for bending stress.
This is a physic question, reply as soon as possible. Thank you.
King Arthur's knights fire cannon from the top of the castle wall. The cannonball is fired at a speed of 60 m/s and an angle of 33. A cannonball that was accidentally dropped from the top of the castle wall hit the moat below in 1.80s.
Jack was exposed to fast neutrons; he received a radiation dose of 220rem rem on part of his hand, affecting 28.0grams of tissue. How much radiation did Jack receive
A typical human body has surface area 1.4 m2 and skin temperature 33 C. If the body's emissivity is about 0.90, what's the net radiation from the body when the ambient temperature is 11C? Express your answer with the appropriate units.
Calculate the angular momentum of a solid uniform sphere witha radius of 0.120m and a mass of 14.0kg if it is rotating at6.00rad/s about an axis through its center
A man sitting inside the waiting room of a train station is looking out of a window at the train tracks, For how long time does he sees the train
A charged particle (m=5.0g, q= -70µC) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m//s^2 downward, what is the magnitude of the magnetic field in this region
A block with a mass of 1 kilogram is attached by a light weight, but strong rope to a second block with a mass of 2 kilogram. Obtain the tension in the rope between the masses
A 2.68 mol sample of an ideal monatomic gas undergoes the reversible process shown in the figure. calculate How much work is done by the gas
A ceiling fan with 60 centimeter diameter blades is turning at 65 rpm. Determine through how many revolutions does that fan turn while stopping
A physics professor demonstrates the Doppler effect by tying a 610 Hz sound generator to a 0.9 m long rope, What are the highest and lowest frequencies heard by a student
Consider a spring of stiffness k and mass m. If we stretch - simultaneously - both ends of the spring by force F1 and F2. What will be the elongation of the spring
A roller coaster car crosses the top of a circular loop-the-loop attwice the critical speed. What is the ratio of the normal force to the gravitational force?
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