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a dart is thrown at a dartboard 237 m away when the dart is released at the same height as the center of the dartboard
two planes approach each other head-on each has a speed of 790kmh and they spot each other when they are initially
how much power does a refrigerator use if connected to a 120 volt line and is said to draw as much power as light bulb
a 12 volt battery is connected in series with a 100200 and 300 resistors find the current in the loop and the voltage
force from crutches a patient with a broken leg stands using a pair of crutches the crutches support 75 of the 81 kg
at 12 volt battery is connected in parallel with a 100200and 500 resistors find the total resistance in order to find
two resistors r1 and r2 are connected in parallel and this combination is connected in series with a third resistor r3
a skydiver of mass 805 kg jumps from a slow-moving aircraft and reaches a terminal speed of 507 msa what is her
in a home laundry dryer a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis as shown
a 50times102 kg arrow hits the target at 25 ms and penetrates 38cm before stoppinga what average force did the target
a small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the
a baseball player hits a baseball at one meter above the ground and gives it a velocity of 36 ms at 41 degrees above
how much power does an automotive battery contain that can furnish 750 amperes at 127 volts for a short period of
a rescue plane is flying at 300 m above the ground at 210 kmhr it is going to drop a package of supplies to some
a 900-v battery delivers a current of 137 a to the lightbulb filament of a pocket flashlighta how much charge passes
a rocket is fired straight up and accelerates upward at 20 ms2 for 12 seconds the rocket then runs out of fuel and
a car is stopped at a traffic light when the light turns green it accelerates at 25 ms2 for 16 seconds the car then
a spherical capacitor contains a charge of 340nc when connected to a potential difference of 250v if its plates are
a cylindrical capacitor consists of a solid inner conducting core with radius 0300cm surrounded by an outer hollow
the pilot of a small plane flies at 80 ms on a day with no wind if he first flies 60 degrees north of east for 6
a 183 kg book is placed on a flat desk suppose the coefficient of static friction between the book and the desk is 0442
the drawing shows four point charges the value of q is 183 microc and the distance d is 099 m find the total potential
when a car is traveling at 25 ms on level ground the stopping distance is found to be 22m this distance is measured by
two point charges 333 microc and -670 microc are separated by 129 m what is the electric potential midway between
in the amusement park ride known as magic mountain superman powerful magnets accelerate a car and its riders from rest