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a uniform meter stick is supported by a knife edge at the 50 centimeter mark and has masses of 040 kilogram and 060
the density of ice is 917 kgm3nbspand the density of seawater is 1025 kgm3 a swimming polar bear climbs onto a piece of
write down the mathematical relationship between velocity and time for a coin tossed up into the air after it leaves
a barbers chair with a man it weighs 2100 newton the output plunger of a hydraulic system begins to lift the chair when
some gliders are launched from the ground by means of a winch which rapidly reels in a towing cable attached to the
a brass cube 60 centimeter on each side is located in a pressure chamber and is subjected to a pressure of 12 x 107
in an oscillating lc circuit in which c 850 mf the maximum potential difference across the capacitor during the
a playground carousel is rotating counterclockwise about its center on frictionless bearings a person standing still on
on a spacecraft two engines are turned on for 991 second at a moment when the velocity of the craft
a mass sitting on a horizontal frictionless surface is attached to one end of a spring the other end is fixed to a wall
a semi-trailer is coasting downhill along a mountain highway when its brakes fail the driver pulls onto a runaway truck
a 920 kilogram sports car collides into the rear end of a 2300 kilogram unstopped at red light the two cars skid
two kids who are bored while waiting for their flight at the airport decide to race from one end of the 20 meter long
a softball is thrown at a speed of42 miles per hour at a wall that is 44 feet away upon colliding with the wall the
a platform is rotating at an angular speed of 19 rads a block is resting on this platform at a distance of 033 meter
the left face of a biconvex lens has a radius of curvature of 188 centimeter and the right face has a radius of
a wooden block of mass 290 kilogram sits on a horizontal table a wire of negligible mass is attached to the right side
two cars with masses of 05 kilogram and 06 kilogram both moving before collision and stuck together after collision had
two very long parallel wires separated by a distance of 10 centimeter carry opposite currents of 80ampa obtain the
in fact it is found that if the heavier mass is given a downward speed of 030 ms it comes to rest in 65 second find the
a string passing over a pulley has a 390 kilogram mass hanging from one end and a 260 kilogram mass hanging from the
a 460 gram bullet moving at 906 ms strikes a 540 gram wooden block at rest on a frictionless surface the bullet emerges
a bullet of mass 45 gram strikes a ballistic pendulum of mass 44 kilogram the center of mass of the pendulum rises a
a police officer in hot pursuit drives her car through a circular turn of radius 320 meter with a constant speed of 745