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In a certain region, the earth's magnetic field has a magnitude of 4.8 x 10-5 T and is directed north at an angle of 66° below the horizontal. An electrically charged bullet is fired north and 13° above the horizontal, with a speed of 630 m/s. The magnetic force on the bullet is 3.7 x 10-10 N, directed due east. Determine the bullet's electric charge, including its algebraic sign (+ or -).
If the angular magnification of an astronomical telescope is 38 and the diameter of the objective is 66 mm, what is the minimum diameter of the eyepiece
A rocket is launched a t an angle of 53.0 degrees to the horizontal at 360 km/h and moves along a straight line with a total constant acceleration of 30.0 m/s^2 for 3.00 s. obtain the maximum height reached by the rocket
A pipe filled with natural gas [methane (CH4)] is punctured by a line of small holes 1.00 cm apart down its entire 2.2-m length. What frequency is being played in this picture
given an electrical circuit which consists of resistor and voltage sources, determine the current flows (i1,i2,i3, and i4) use the following values for the voltage and resistor sources: V1=20 volts V2=12 volts V3=40 volts, R1= 18 ohms R2= 10 ohms R3=..
According to highly accurate GPS-measurements , the continent of North America is drifting with a speed of 1cm/year. estimate the kinetic energy the continental US has
Geostationary satellites used for television, weather tracking, or defense purposes are satellites that remain stationary over one point on the equator, What must be the period of the satellite's orbit
question1a bicycle and its rider together have a mass of 86 kg. what power output of the rider is required to maintain
Find the probability that the electron will tunnel through the barrier.
A converging lens has a focal length of f = 22.0 cm. An object is placed 41.0 cm from the lens. Find the size of the image in cm if the object has a height of 4 cm. express answer with one decimal place.
q.1 a driver is driving at 68 mihr on a straight highway. he sees an accident on the road in front of him so he slams
Find the flow rate of sludge and thickened sludge, salt concentration, water flow rate and pumping rate of a reservoir.
A 300-kg elevator is raised with a constant speed through a vertical distance of 100 m in two minutes. What is the useful output power of the hoist
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