Plane fles with an air speed of 120 m/s. lf a constant wind blowNS at 10.0 m/s due west during the flight, what direction must the plaņe fly relative to north to arrive at the destination? 4.78° east of north oipol 6)A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s, during which time she is swept downstream 480 m. (a) How fast can she swim in still water? (b) What is the speed of the current? Answer: (a) 0.50 m/s (b) 1.2 m/s Islnoshori on rv bns boke Vlleothev 7) A satellite orbits the earth a distance of 1.50 x 107 m above the planet's surface and takes 8.65 hours for each revolution about the earth. The earth's radius is 6.38 ×. 106 m. What is the acceleration of this satellite? ANS) 0.870 m/s2toorde nso ow conataib mumixem edi el j diootev Isilinmumixam.c asyinnu చెంరారంు 8) An object moves in a çircle of radius R at constant speed with a peric T. You want to change only the period in order to cut the objec blido A acceleration in half, Find the new period. ANS T/2. m00.r bned 1ed 2evsel lisd erdT lsinoshort ed evods 0:0 britonp evéds bo

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.