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a point moves in the xy plane position vector rt from the origin to the point gives the location of the point at time t
the velocity of a car on a straight stretch of highway is recorded every 5 seconds the data is in the table below a
a 30 kg object subject to a restoring force f is undergoing simple harmonic motion with small amplitudethe potential
the velocity-time graph below shows the motion of a cyclistadescribe in words the motion of the cyclistbcalculate the
1 use discriminant to determine whether the following equations have solutions that are two different rational
1 draw a position-time graph to match the story make sure the graph is to scale show all your math work bob walks
1 a particle moves along the x-axis its position varies with time and is given by equation x -6t 3t2 where x is in
two cars travel in the same direction along a straight highway one at a constant speed of 550 mih and the other at 700
a car brakes in an emergency the moment the brakes are first applied is t0 the cars distance s from the point at which
a 150-lb fireman is holding a hose which has a nozzle diameter of 1 inch and hose diameter of 2 inches if the velocity
1 competitive divers pull their limbs in a curl up their bodies when they do flips just before entering the water they
1 to qualify for the finals of a racing event a race car must achieve an average speed of 220 kmh on a track with a
1 a cannon ball is fired with a velocity of 48 ms at 42 degrees up from the horizontal assume that it lands at the same
1 a 45 kg block is at rest on a table when it is attached to a second mass m2 hanging over a pulley the static
1find an equation for the terminal velocity of a sphere falling through a viscous fluid like water or blood how does
1a projectile of mass 06 kg is fired vertically upwards in the barrel of a gun by a vertical net propelling force of 50
1 an object is thrown vertically upward with an initial velocity v0 at the highest point in the objects trajectorya its
a a 200kg car is traveling 22 ms find the kinetic energy in joules b the same car is lifted vertically upward and then
a canon ball with mass m has a mechanism that blows it into 4 pieces of equal mass who spread relative to the canon
a gun fires a bullet of mass 17 grams out of a barrel 24 cm long the bullet is accelerated down the length of the
the driver of a truck comes suddenly upon a fallen tree that has blocked the road ahead a total time interval of 545
1a plane leaves the airport and flies east at 109 mileshour 45 hours later a second plane leaves east at 240 mileshour
1 a pitcher claims he can throw a 0168 kg baseball with as much momentum as a 332 g bullet moving with a speed of
compare the terminal velocity of a 10 nanometer particle with a 100 nanometer particle which one falls through air
a mr stick lives on the planet teflon where the force due to gravity is different than that of earth mr stick drops a