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A Worker at B pulls on the rope attached to the top of the pole at A with a force of F=20N. (a) Determine the moment vector M_o that this force causes about the base of the pole at O. (b) Calculate the magnitude of the moment of F(vector) about the axis of the strut CD.
A 4.9-N hammer head is stopped from an initial downward velocity of 3.2 m/s in a distance of 0.45 cm by a nail in a pine board. Calculate the downward force F exerted by the hammer head on the nail while the hammer head is in contact with the nail a..
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
The average atmostpheric pressure Po on the surface of Mars is 6.0hPa. The radius of the planet is r = 3400 km. The acceleration dueto gravity is 3.7m/s^2. Compute the total mass M of the Martianatmosphere. Express M is Kg
Cat rides a merry-go-round turning counter clock wise at a uniform speed. There, the cat is under uniform circular motion. what is the time taken by the cat to complete a full circle
A 30 ohm resistor has a voltage difference of 3 volts across its leads. What is the power being dissapated in the resistor
A vertical solid steel post of diameter d = 21.4cm and length L = 2m is required to support a load of mass m = 7650kg. What is the stress in the post
A sound pulse has a power of 948.5 watts. find the intensity of the sound at the time of observation
An automobile fuel tank is filled to the brim with 58.9 liters (15.7 gallon) of gasoline at 13.3oC. Immediately afterward, the vehicle is parked in the Sun, How much gasoline (in Liter) overflows from the tank
The altitude of this luge track is 2237m. The altitude at the end is 2205 m. If a luger takes 48 seconds to complete a run, what is his average vertical velocity
What should be coefficient of static friction
Two bicycle tires are set rolling with the same initial speed of 3.40m/s along a long, straight road, What is the coefficient of rolling friction r for the tire under low pressure
The space shuttle performs a retro burn for 3.5min to go from an orbital velocity of 17,500mph to re-entry velocity of 5000mph.
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