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a knight of the round table fires off a vat of burning pitch from his catapult at 134 ms at 40 degree above the
the force exerted by the wind on the sails of a sailboat is fsail 480 newton north the water exerts a force of fkeel
the gravitational force exerted on a baseball is 211 newton down a pitcher throws the ball horizontally with velocity
two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kilogram if they pull
a bullet of mass 05 kilogram is headed at horizontal speed 130 ms toward a block of mass 45 kilogram resting on a
two people push a stalled car at its front doors each applying a 250 newton force at 25o to the forward direction
an unchanged 1 meter cubed solid block of gold sits on an electrically insulating table on the field in the middle of a
a dockworker applies a constant horizontal force of 89 newton to a block of ice on a smooth horizontal floor the
georgia is jogging with a velocity of 4 meter per second when she accelerates at 2 ms squared for 3 s determine how
a ball is projected upward from the bottom of a tower which is 375 feet high and at the same instant another ball is
a large box whose mass is 12 kilogram rests on a frictionless floor a mover pushes down on the box with a force of 206
a mover finds that a 20 kilogram crate initially at rest requires a 75 newton horizontal force to set the crate in
a man pushes a 13 kilogram shopping cart at a constant velocity for a distance of 240 meter she pushes in a direction
the step-down transformer in a local neighborhood reduces the voltage from a 7200 volt line to 120 volta if there are
a robot probe drops a camera off the rim of a 337 meter high cliff on mars where the free-fall acceleration is 37 ms2
one end of a string 78 meter long is moved up and down with simple harmonic motion at a frequency of 720 hertz the
jane 50 kilogram and john 30 kilogram sit at opposite ends of a 50 meter long boat 20 kilogram jane is on the left john
a federation starship 220 times106 kilogram uses its tractor beam to pull a shuttlecraft 220 times 104 kilogram aboard
the bulk modulus for a given fluid is 188e9 pa and the fluid density is 10000 kgm3 determine what is the speed of sound
a 409 kilogram weather rocket generates a thrust of 1125 newton the rocket pointing upward is clamped to the top of a
while a roofer is working on a roof that slants at 39 degree above the horizontal he accidentally nudges his 89 newton
when a certain spring is stretched the restoring force satisfies the equation f-kxbetax3 if k104 nm and beta101 nm3
while running a man dissipates about 0502 joule of mechanical energy per step per kilogram of body mass if a 557
a van goes around a curve on a road that is banked at an angle of 307 degree even though the road is slick the car will