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a man drags a table 350 m across the floor exerting a constant force of 520 n directed 340deg above the horizontala
a mass m151 kg is suspended from the end of a uniform boom as shown the boom mass970 kg length320 m is at an angle 630
compressed air is used to fire a 52 g ball vertically upward from a 17-m-tall tube the air exerts an upward force of 27
europa one of the moons of jupiter was discovered by galileo in 1610 europa has a circular orbit of radius 6708 108 km
a bullet moving horizontally with a speed of 500ms strikes a sandbag and penetrates a distance of 100 cm what is the
a car decelerates uniformly and comes to a stop after 10s the cars velocity was 50 kmh what was the cars
the magnetic field near the surface of a neutron star has a magnitude of 100 108 t find the acceleration of an electron
nonreflective coatings on camera lenses reduce the loss of light at the surfaces of multilens systems and prevent
a 2000-kg elevator is rising and its speed is increasing at 4 ms2 what is the tension in the elevator cable please show
a luge and its rider with a total mass of 96 kg emerge from a downhill track onto a horizontal straight track with an
the only force acting on a 100 kg canister that is moving in an xy plane has a magnitude of 50 n the canister initially
the following three forces act simultaneously on the same object a 300 n 300 n of e b 600 n 2700 and c 100 n due
the hot glowing surfaces of stars emit energy in the form of electromagnetic radiation it is a good approximation to
a girl pulls a box of mass m 6 kg across a floor with a constant horizontal force f 22 n initially the block is at
a copper transmission cable 140 long and 115 in diameter carries a current of 145 what is the potential drop across the
a box slides across a frictionless floor with an initial speed v 25 ms it encounters a rough region where the
a surveyor starts at the southeast corner of a lot and charts the following displacements a 600 m n b 400 m w c 200
a spring is stretched a distance of dx 40 cm beyond its relaxed length attached to the end of the spring is an block
a horizontal force of magnitude f 149 n is used to push a box of mass m 5 kg from rest a distance d 13 m up a
a soccer ball is kicked simultaneously by bryan and anthony bryon kicks with 700 n force to the west while anthony
a 2 kg ball moving at 3 ms hits a wall and bounces off immediately after the collision it moves at 3 ms in the opposite
a ball of mass 7 kg is thrown straight up in the earths gravitational field with an initial speed v0 16 msa what is
a child is playing with a ball on a string the ball has mass 0065 kg the string has radius 12 m and assume that the
a block of mass m 15 kg slides between two springs of spring constant kleft 30 nm and kright 57 nm the distance
the driver of a 2000 kg car moving at 30 ms presses on the break pedal if the braking force is 10000 n how far does the