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An iron bolt is used to connect two iron plates together. The boltmust withstand shear forces up to about 3200 N. Calculate the minimum diameter for the bolt, based on a safety factor of 5.5.
cm
A horizontal 2-m-diameter gate is located in the bottom of a water tank (5m depth). Determine the force F required to just open the gate
a sled of mass 1 kg has an initial speed of 1.00m/s across a horizontal surface. the force of friction between the sled and surface is 0.2N. What is the speed of the sled after it ha traveled a distance of 2.00m
A 51kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 250N. For the first 10.5m the floor is frictionless, and for the next 10.5m the coefficient of friction is 0.18. What is the final speed of the crate af..
a 20 kg block is at rest on an incline of 41 degrees. μs=.81 and μk=.69 the acceleration of gravity is 9.8 meters per second squared. what is the acceleration of the block down the incline
An aircraft weighing 892 N is accelerated at 9.9 m/s/s for 5 seconds, What is the force required to launch the aircraft
A car with the initial speed of 11.5 mi/h uniformly accelerates at a rate of 0.2 m/sec^2 while it travels 13.4 m. How much time has elapsed
in the electron gun pictured a potential difference of 12.0 kv is found to bring electrons from rest at the cathode to
The local acceleration of gravity is 9.813 m/s 2 , and the atmospheric pressure is 101.57 kPa. a) What is the force (in Nt) exerted on the gas by the piston, the weight and the atmosphere combined
Suppose there are 3 equal resistors, how many arrangements,using all 3 resistors in each, could you set up? each arrangement should have a different total equivalent resistance. draw the arrangements and explain how you determined that you have al..
A 75 kg person escapes from a burning building by jumping from a window 25-m above a catching net. Assuming that air resistance exerts a 95-N force on the person all through the fall, determine out the person's velocity just before hitting the net..
In a double-slit experiment, slits separated by1.210e-4 m are illuminated by a coherent571 nm light source. What is the angular position of the firstbright fringe
The components of the electric field in an electromagnetic wave traveling in vacuum are described by Ex = 0, Ey = 0, and Ez = 4.88 sin(kx - 1.44×108 t) V/m, where x is measured in meters and t in seconds.
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