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How much energy (in ft-lbf, Btu, and kJ) is required to accelerate my 3400 pound car from rest to a velocity of 60 mph on a level stretch of road? If that event requires 7 seconds for completion, what is the average power (in both hp and kW) required for this acceleration? (If it's going uphill, why does it accelerate more slowly?) Assuming constant acceleration, how far did it travel?
Knowing that in the position shown the rod has angular velocity of 4 rad/s clockwise; determine the angular velocity of the rod after it has rotated through a 90°.
power system assignmentthe assessment to design a substation and the associated protection system. the transformer is
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. heat is transferred to the tank
noting that a person standing in a room maintained at 20degc at all times the inner surfaces of the walls floors and
a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
in a rigid chamber 30 lbm of helium is heated from 60 degrees farenhight and 30 psig to 90 degrees farenhight. if
The force exerted on the cue ball by the cue is horizontal. Determine the value of h for which the ball rolls without slipping. (Assume that the frictional force exerted on the ball by the table is negligible.)
The unit cell for uranium has orthorhombic symmetry with a, b and c lattice parameters of 0.286, 0.587, 0.495 nm, respectively. If its density, atomic weight, and atomic radius are 19.05 g/cm3, 238.03 g/mol, and 0.1385 nm, respectively, compute th..
suppose that your business is operating at the threesigma quality level. if projects have an average improvement rate
hi i study in university in greece...i need your help until tomorrow for a mechanical draw.. ltbrgti must draw the
a construction crew lifts approximantely 560lb of material serveral times during the day from a flatbed truck to a 32
a 100 pound ball is suspended from a wall by a rope that is pulled asided by a horizontal rope B and held so that rope A makes a angle of 30 degrees with the vertical wall. Find the tension in ropes A and B?
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