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if the net work done on an object is zero what can you determine about the objects kinetic energya the objects kinetic
a parallel-plate capacitor has capacitance 650 microfa how much energy is stored in the capacitor if it is connected to
an object moves in a circular path at a constant speed what is the direction of the net force acting on the objecta the
a warehouse worker pushes a crate along the floor by a force of 70rm n that points downward at an angle of 45circ below
in the amusement park ride known as magic mountain superman powerful magnets accelerate a car and its riders from rest
a 1000 car pushes a 2000 truck that has a dead battery when the driver steps on the accelerator the drive wheels of the
given a block with mass m1 86 kg is on an incline with an angle 260deg with respect to the horizontalquestion a new
you are on a standard elavator you are holding a fishing rod with a fish you just caught on the fishing line the fish
a bicyclist is riding a bicycle on a flat road figure 2 the combined mass of the bicyclist and bicycle is 110 the
a bowling ball with a diameter of 210cm is rolling down a level alley surface at 114ms without slipping assume the ball
a light spring having a force constant of 139nm is used to pull a 960kg sled on a horizontal ice rink the coefficient
a box full of books rests on a wooden floor the normal force the floor exerts on the box is 236 n a you push
a 460-kg ball is dropped from a height of 100m above one end of a uniform bar that pivots at its center the bar has
a car traveling at a speed of 55 has its brakes applied at a reducing speed at a rate of -t4 mphs where t is in
the figure below shows the horizontal forces acting on a sailboat moving north at constant velocity seen from a point
a thin uniform metal bar 2m long and weighing 90n is hanging vertically from the ceiling by a frictionless pivot
four uncharged capacitors with equal capacitances are combined in parallel the combination is connected to a 547-v
what is the maximum number of 600 f capacitors that can be connected in parallel with a 600 v battery while keeping the
an initially uncharged 387-f capacitor and a 699-k resistor are connected in series to a 150-v battery that has
an object of 30 kg mass is pulled with a force 12 102 n at angle 30 degree over the distance 5 meterif the coefficient
you charge an initially uncharged 627-mf capacitor through a 469- resistor by means of a 900-v battery having
a uniform sphere and a uniform cylinder with the same mass and radius roll at the same velocity side by side on a level
a power supply maintains a potential difference of 815 v across a 101-k resistor what is the current in the resistor in
find the net gravitational force on each mass in terms of r and m the first object has a mass of 2m and is located at
when you weigh yourself on good old terra firma solid ground your weight is 144 lb in an elevator your apparent weight