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at a carnival you can try to ring a bell by striking a target with a 799-kg hammer in response a 0391-kg metal piece is
a person pulls a toboggan for a distance of 275 m along the snow with a rope directed 262 deg above the snow the
a parallel-plate capacitor is to be constructed by using as a dielectric rubber with a dielectric constant of 320 and a
how much charge does a battery have to supply to a 500 microf capacitor to create a potential difference of 120v across
the plates of a parallel-plate capacitor are 300mmapart and each carries a charge of magnitude 750nc the plates are in
a race car travels around a circuit at a constant speed of 45 ms it first heads east for 1min then south for 1 min then
a potential difference is applied between the electrodes in a gas discharge tube in 16 s 32 1016 electrons and 11 1016
a current of 132 a is carried by a copper wire of diameter 129 mm if the density of the conduction electrons is 847
a space traveller weighs herself on earth at a location where the acceleration due to gravity is 982 ms2 and finds a
a car comes to a bridge during a storm and finds the bridge washed out the driver must get to the other side so he
two capacitors give an equivalent capacitance of 1000 pf when connected in parallel and an equivalent capacitance of
a space station in the form of a wheel 131 m in diameter rotates to provide an artificial gravity of 350 ms2 for
a baseball is hit with a speed of 280rm ms at an angle of 470rm circ it lands on the flat roof of a 140rm m -tall
an archer shoots an arrow at a 780 m distant target the bulls-eye of which is at same height as the release height of
two capacitors c1 400 microf and c2 160 microf are now connected in series and to a 900-v batterya find the
a ball is thrown horizontally from the top of a 650 m building and lands 1010 m from the base of the building ignore
a ball is kicked with an initial velocity of 16 ms in the horizontal direction and 14 ms in the vertical directiona at
a baseball player slides into second base during a steal attempt assuming reasonable values for the length of the slide
a car is traveling at 500 mih on a horizontal highwaya if the coefficient of static friction between road and tires on
a canoe has a velocity of 0430 southeast relative to the earth the canoe is on a river that is flowing at 0540 east
two forces are applied to a car in an effort to move it as shown in the following figure where f1 422 n and f2 372 n
an object with mass m1 300 kg rests on a frictionless horizontal table and is connected to a cable that passes over a
if you connect three resistors with values of 100 ohms 250 ohms and 400 ohms together in series what is the effective
a stone is dropped from the roof of a building 130s after that a second stone is thrown straight down with an initial
the same device can act as both an air conditioner and a heat pump after all they do the same thing running the exact