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You are to launch a rocket, from just above the ground, with one of the following initial velocity vectors: (1) V initial= 20i +70j (2)V initial= -20i + 70j (3)V initial = 20i - 70j (4) V initial = -20i-70j. In your coordinate system, x runs along level ground and y increases upward.
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
In a double-slit experiment, slits separated by 1.240e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe
You pour 108 cm3 of ethanol, at a temperature of -10.0?C, into a graduated cylinder initially at 20.0 ?C, filling it to the very top. What will be the final temperature of the ethanol
An airplane travels at speed of 125 m/s in calm air. The plane wants to undergo a change of displacement delta x= 183 km i. How lond will it take the plane to reach its destination
A satellite circles the earth in an orbit whose radius is 3.26 times the earth's radius. What is the period of the satellite
Photorefractive keratectomy (PRK) is a laser-based surgery process that corrects near- and farsightedness by removing part of the lens of the eye to change its curvature and hence focal length. What is the energy of a single photon
Illustrate what was the impact on Mosby's 2012 net income as a result of this fair value hedge of a firm commitment?
A uniform rod of mass 1.5kg and Length=0.18m rotates clockwise on the plane of your paper at an initial rate of 40rev/s about its central axis. Determine the initial angular momentum of the rod
five resistors are connected to a battery with an emf of 12 V and internal resistance of 1 ohm. calculate the external resistance of the circuit
A falling stone takes ?t = 0.26s to travel past a window2.2 m tall, From what height above the top of the window did the stone fall
If the value of the linear charge density is ? = 40.5 ?C/m and the distance between the two cables is D = 40.5 m, calculate the electric field midway between the two cables
Spring mounted bumpers ensure that the collision is essentially elastic. If the velocity of the truck is 17km/h (in the same direction as the car's initial velocity) after the collision, what is the initial speed of the car
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