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a a 220 cm high insect is 115 m from a 130 mm focal-length lens what is the image distance and how high is the imageb
a 23kg child eats a candy bar containing 230 kcal of chemical energy if the conversion to mechanical energy was 100
a 24muf capacitor and an 8muf capacitor are connected in series to a 120v power supply once they are fully charged the
a 240 kg block of wood is resting on a horizontal surface it is attached to a massless string which passes over a
a 2800 kg car has 4 springs fitted into the front bumper each with a spring constant k105 nm the car slidess on an icy
a 2900 pf air-gap capacitor is connected to a 74 v battery if a dielectric with a dielectric constant of 55 is now
a tether ball is on a 20 m long string that makes an abd of 60 degrees with vertical as it moves around the poke in a
a 2kg object is moving to the right with a speed of 4ms when it experiences an impulse of 6ns what is the objects
particle one of mass m initially moves to the right at v particle two of mass 4m is initially at rest after they
a ball is held a distance of 20m above the ground its mass 6kga what is its potential energype at this pointb the ball
during a testing process a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential
the closed tank with a hemispherical dome is filled with water and a u-tube manometer with a sg23 liquid is connected
the terminals of a 40v battery are connected to points a and b in the figurehow much current is in each resistor i1 i2
a 3 liter pitcher of tea is at a room temperature of 70 degrees farenheit you pour 02 kg into a styrofoam cup how many
a 3 m rod is rotating with an oscillating angular momentum given by sin2t if a small rocket with oscillating linear
the terminals of a 0400v watch battery are connected by a 900 m long gold wire with a diameter of 0100 mm what is the
a 30-cm -tall candle flame is 20 m from a wall you happen to have a lens with a focal length of 18cm how many places
a 30-cm -tall candle flame is 20 m from a wall you happen to have a lens with a focal length of 18cm part a how many
a 30 kg child stands on the edge of a 25 m radius 120 kg merry-go-round if her speed while she stands on the edge is 1
what terminal voltage must an ideal battery no significant internal resistance have to produce a 050a current through
a 30 kg cube on a spring k280 nm oscillates in simple harmonic motion the cube has a speed of 055 ms when it is 0020 m
if the 30 kg object was moving at 20 ms when the force started acting what is new velocity of object at 8 meters please
a 30 kg wooden board is held in place by a rope on one end the other end is held up by being in contact with a rough
during a tennis serve the racket of a tennis player continues forward after it hits the ball is momentum conserved in
a tennis ball is traveling north towards a tennis racket with kinetic energy equal to 5 j after contact with the racket