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a daredevil jumps a canyon 118 m wide to do so he drives a car up a 20deg incline the daredevil lands on the other side
a rocket is launched at an angle of 46deg above the horizontal with an initial speed vi 50 ms as shown below it
ski jumper leaves the ski track moving at 25 ms the landing incline below her falls off with a slope of 33 degrees how
a man runs at a velocity of 45 ms frao 150 min when going up an increasingly steep hill he slows down at a constant
a scaffold that weighs 400 n supports two painters one 500 n and the other 400 n the reading in the left scale is 800
a projectile of mass 01kg travelling horizontally through the air with speed vt experiences a drag force dt whose
during heavy rain a rectangular section of a mountainside measuring 27 km horizontally 085 km up along the slope and 25
two 40-g spheres are suspended by 80-cm-long light strings see the figure a uniform electric field is applied in the
a copper weight is placed on top of a 023 kg block of wood density 060 x103 kgm3 floating in water what is the mass of
1 in 1987 marisa canofoglia of italy roller-skated at a record -setting speed of 403 kmh if the her momentum was 660
a small charged pith ball is suspended 2 cm above a second charged pitch ball resting on an insulated surface if the
stiff wire bent into a semicircle of radius a is rotated at constant frequency f in a uniform magnetic field b with
a charge q1 -7 microc is at the origin and feels a force along the positive x-axis equal to 18 na what is the
a 20 kg object is dropped from a 40 meter height calculate the speed of the ball prior to striking the
an 1150-kg car pulls a 450-kg trailer the car exerts a horizontal force of 38 x 103 n against the ground in order to
consider three identical metal spheres a b and c sphere a carries a charge of 4q sphere b carries a charge of -9q
a block of mass m 270 kg slides down a 300deg incline which is 360 m high at the bottom it strikes a block of mass m
four point charges have the same magnitude of 24 x 10-12 c and are fixed to the corners of a square that is 40 cm on a
an ion accelerated through a potential difference of 2400 v has its potential energy decreased by potential energy of
a submerged submarine alters its buoyancy so that it initially accelerates upward at 325ms2 what is the submarines
the magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 07 m and an outer
a 0145 kg baseball is pitched at 42 ms the batter hits it horizontally to the pitcher at 58 ms what is the change in
the us armys parachuting team the golden knights are on a routine jumping mission over a deserted beach on a jump a 65
a runner is going 25ms around a curved section of tract that has a radius of 125m what is the runners
the moon rotates once on its axis in 273 days its radius is 174 x 10 to the 6th mwhat is the linear speed of a rock on