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a tennis ball gun launches tennis balls at 188ms its pointed straight up and launches one ball 20s later it launches a
an electric dipole has opposite charges of 50x10-15 c separated by a distance of 40mm it is oriented at 60 degrees with
steven and danny are standing apart from each other throwing a ball steven throws the ball to danny and danny throws it
two masses m1 210 kg and m2 951 kg are on a horizontal frictionless surface and they are connected together with a
a baseball player slides into third base with an initial speed of 46 ms if the coefficient of kinetic friction between
two point charges of 50microcolumb 8microcolumb are placed inside a cube of edge length 0100m what is the electric flux
a 0750 kg block is attached to a spring with spring constant 15 nm while the block is sitting at rest a student hits it
a boat is tied to a dock by four ropes two ropes with a tension of 55 n each are at right angles to the dock the two
an automobile traveling at 110 along a straight level road accelerates to 720 in 510 what is the magnitude of the autos
a crate is sliding down a ramp that is inclined at an angle of 252deg above the horizontal the coefficient of kinetic
suppose you pour 19 g of water into 10 litres jar and seal it tightly you then place the jar into an oven and heat it
for gas storage thick metal cylinders whith an internal volume of 25 litres are used typical cylinders can safely
three 30 mc charges are at the three concerns of a square 050m on a side the last concern is occupied by a -30mc charge
a pump is used to empty a 4800 l wading pool the water exits the 30-cm-diameter hose at a speed of 20 mshow long will
the second harmonic of an open organ pipe has the same frequency as the first overtone of a closed pipe if the
a charge of -80 nc is uniformly distributed around a ring of radius 13 m that lies in the yz plane with its center at
an eagle is flying horizontally at 48 ms with a fish in its claws it accidentally drops the fishhow much time passes
suppose that a plane is traveling with a horizontal velocity of vx 238 ms at an altitude of y 1053 m the directions
a projectile is fired at an upward angle of 45deg from the top of a 312 m cliff with a speed of 220 ms what will be its
venus has a mass of 486x1024 kg and a radius of 605x106 ma what is the acceleration due to gravity on venusb how much
a rocket is fired at a speed of 750 ms from ground level at an angle of 565deg above the horizontal the rocket is fired
a pendulum is made by suspending a 1kg meter stick through a pivot locaed 3m from one end the moment of inertia of a
a home run is hit such a way that the baseball just clears a wall 23 m high located 113 m from home plate the ball is
what is the average of the velocity squared in pure oxygen o2 at standard pressure 1 bar and concentration 0001 moll
a bowling ball mass 72 kg radius 012 m and a billiard ball mass 045 kg radius 0028 m may each be treated as uniform