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a hollow thin-walled sphere of mass 130kg and diameter 450 cm is rotating about an axle through its center the angle in
a rock thrown with an initial velocity of 385 ms at an angle of 550 o with respect to the horizontal has a range of 975
a 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 na what is the
a chemistry student with a mass of 75 kg is riding a steadily moving ferris wheel when she is at the top of the ferris
find the final velocity of the two balls if the ball with velocity v2i -212 cms has a mass equal to half that of the
a rocket fires two engines simultaneously one produces a thrust of 725 n directly forward while the other gives a
a golf ball is dropped from rest from a height of 970 m it hits the pavement then bounces back up rising just 600 m
a small button placed on a horizontal rotating platform with diameter 0316 m will revolve with the platform when it is
at time t0 a grinding wheel has an angular velocity of 220 rads it has a constant angular acceleration of 320 rads2
a 50cm diameter wheel rolls wothout slipping the wheel spins 20rads what is the speed of the axle of the
two hockey players strike a puck of mass 0169 kg with their sticks simultaneously exerting forces of 125 103 n directed
an airplane propeller is 238m in length from tip to tip and has a mass of 117kg when the airplanes engine is first
an airplane is flying in a horizontal circle with constant speeda is the airplane moving in a harmonic oscillationb in
according to the bohr model a hydrogen atom in its lowest energy state has a nucleus consisting of a single proton
a playground merry-go-round has radius 300m and moment of inertia 2600kg m2 about a vertical axle through its center
a cyclist starts from rest and pedals so that the wheels make 76 revolutions in the first 49 s what is the angular
a wheel rotates without friction about a stationary horizontal axis at the center of the wheel a constant tangential
a metal bar is in the xy-plane with one end of the bar at the origin a force f796ni -286j is applied to the bar at the
a traveler first drives 194 km east then 297 km southeast and finally 99 km south find the travelers total
a fox fleeing from a hunter encounters a 0735 m tall fence and attempts to jump it the fox jumps with an initial
just after opening a parachute of negligible mass a parachutist of mass 825 kg experiences an instantaneous upward
a machine that makes transformers can only wind the coils with a single specific number density the number of turns is
you throw the 5-kg ball from theheight of 5m with a speed of 10ms at an angle of 30 degress with respect to the