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The three displacement vectors in the drawing have magnitudes of A = 4.40 m, B = 6.28 m, and C = 4.62 m. Find the resultant ((a) directional and (b) magnitude angle) of the three vectors by means of the component method. Express the directional angle as an angle above the positive or negative x axis.
A 550 -cm flask contains 0.450grams of a gas at a pressure of 140kPa, What is the molecular mass of this gas
Two rigid rods are oriented in parallel to each other and to the ground. Determine the current in the rods
A 120 g insulated aluminum cup at 17 C is filled with 140 g of water at 40 C. After a few minutes, equilibrium is reached. A)Determine the final temperature. B)Estimate the total change in entropy.
A particle moves along with a velocity of v=2t^3-32 m/s, where t is in seconds. At t_o= 0 seconds, s_o= 0 meters. Determine the particle's total distance traveled from 0 to 4 seconds
a 140 g baseball is moving horizontally to the right at 25 ms when it is hit by the bat. the ball flies off to the left
X-rays having an energy of 280 keV undergo Compton scattering from a target. The scattered rays are detected at 36.0° relative to the incident rays. Find the Compton shift at this angle
Sodium atoms moving at 1000 m/s are incident on a slit having a width of 100 nm. At 3 m from the slit, what is the approximate transverse width of the sodium atoms wave function? These are typical values for experiments in atom optics.
A 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 N. What is the highest speed the rock can reach before the string breaks? (Neglect gravity.)
An initially motionless test car is accelerated uniformly to 145km/h in 8.28s before striking a simulated deer. The car is in contact with the faux fawn for .815s, after which the car is measured to be traveling at 82.0km/h. What is the magnitude ..
A 0.954-kg toy car is powered by three D cells (4.50 V total) connected directly to a small DC motor. What is the average current supplied to the car\'s motor
a ships anchor chain is wrapped around a hollow steel drum of mass m 500 kg and radius r 0.5m. the drum is located on
The wheels, axle, and handles of a wheelbarrow weigh W= 66 N. The load chamber and its contents weighWL = 560 N. The drawing shows these two forcesin two different wheelbarrow designs. To support the wheelbarrow inequilibrium, the man’s hands appl..
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