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a horizontal force of 109 newton pushes an 8 kilogram block up a frictionless incline that creates an angle of 23
a sledge loaded with bricks has a total mass of 174 kilogram and is pulled at constant speed by a rope inclined at 202
a 610 kilogram elevator starts from rest and moves upward for 310 second with constant acceleration until it reaches
a wind turbine is initially spinning at a constant angular speed as the winds strength gradually increases the turbine
if a sprinter running at a speed of 10 ms could convert his kinetic energy into upward motion determine how high could
various objects roll without slipping down an incline of vertical height h all starting from rest at the same moment
a 540 ohm resistor a 300 microf capacitor and a 0400 h inductor are connected in series to an 860 volt rms 600 hz
experiments have shown that thought processes in the mind can be affected if the parietal lobe is exposed to a magnetic
determine how many kilometers per liter will a car obtain if its engine is 25 efficient and it encounters an average
a powerful bolt of lightning can carry a current of 225 kaa treating a lightning bolt as a long thin wire find the
a 4 gram bullet is moving horizontally with a velocity of 355 ms where the sign indicates that is moving to the right
a 1000 kg is lifted 1 metera find the potential energy with respect to the floorb if the car is lifted 2 m high find
two masses m110 kilogram and m2 8 kilogram are accelerated by a force of 60 newton at an angle of 53o above the
a skier of mass 850 kilogram is pulled up a snow-covered slope at a constant speed by a tow rope that is parallel to
a semitrailer is coasting downhill along a mountain highway when its brakes fail the driver pulls onto a runaway-truck
a railroad car of massnbsp245nbspxnbsp104nbspkilogram is moving with a speed of 397 ms it collides and couples with
a sled with mass 800 kilogram moves in a straight line on a frictionless horizontal surface at one point in its path
in a double-slit experiment the distance among slits is54 mm and the slits are 16 m from the screen two interference
heat is added to a quantity of an ideal gas that is initially at 280oc until its internal energy is doubled what is the
think the bohr energy expression equation 3013 as it applies to singly ionized helium he z2 and an ionized atom with z4
a wagon is rolling forward on level ground friction is negligible the man sitting on the wagon is holding a rock the
the image behind a convex mirror radius of curvature 69 cm is located 17 cm from the mirrora where is the object
a layer of oil with a refractive index of 140798 092562 mm thick floats on watera light of vacuum wavelength 632800 nm
two 200 microc charged particles are placed on the x axis one is at x 100 meter and the other is at x -100 metera