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at one point in space the electric potential energy of a 10 charge is 34 part a what is the electric potential at this
a 30 charge is moved from a point where 190 to a point where -70part a how much work is done by the force that moves
starting from rest a 41 kg block slides 200 m down a rough 30 degree incline the coefficient of kinetic friction
a rock is thrown with a velocity of 10 ms 45 deg above the horizontal from a bridge 20 m above a rivera what is the
a block weighing 50 n rests on a 37 deg inclinea what are the components of its forces parallel and perpendicular to
an object moves at 40 ms in the x direction as it passes through the origin it gets a 35 ms2 acceleration in the -x
coil springs are widely used in industry those used in scientific instruments must be manufactured to exhibit
an obnoxious brat assigns his 187-gram pet mouse mickey the role of stunt mouse by stuffing him into a spring gun and
the burj khalifa in dubai is the worlds tallest building the structure is 828 m 27165 feet and has more than 160
professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph miles per hour a local
the aorta is a major artery rising upward from the left ventricle of the heart and curving down to carry blood to the
a hardworking ant must supply 000655 n to pull a small piece of fruit at constant velocity over a distance of 1000 cm
what is the probability density equation as a function of angle for a simple pendulum using the small angle
the coyote starts 420 m from the brink of a cliff the roadrunner zips past him at a speed of 180 ms the coyote starts
whenever two apollo astronauts were on the surface of the moon a third astronaut orbited the moon assume the orbit to
you drop a 297-g silver figure of a polar bear into the 245-g aluminum cup of a well-insulated calorimeter containing
a standard 1 kilogram weight is a cylinder 465 mm in height and 425 mm in diameter what is the density of the
a car travels at 350 ms for 400 minutes and then travels at 550 ms for 200 minutes what is the average velocity of the
a heart defibrillator is charged to 350v it is connected to a patients chest and allowed to discharge through the heart
in an rc circuit with a capacitance of 10microf and a voltage of 10v the voltage across the resistor after 4s is 4v
in our physics lab a cart is attached to a failing fan which does not run at a constant speed the cart and fan start
two crates of mass 65 kg and 125 kg are in contact and at rest on horizontal surface a 650 n force is excerted
a rock of mass m 11 kg is tied to a string of length l 25 m and is twirled in a vertical circle as shown in the
a car rounds a curve that is banked inward the radius of curvature of the road is r 139 the banking angle is 31deg
estimate the size of the friction force on a baseball player sliding into second base assume a mass of 84 and uk