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Displacement vector points due east and has a magnitude of 1.36 km. Displacement vector points due north and has a magnitude of 1.18 km. Displacement vector points due west and has a magnitude of 1 km. Displacement vector points due south and has a magnitude of 2.4 km. Find the magnitude and direction (relative to due east) of the resultant vector.
Calculate the buoyant force of water on a completely submerged sample volume of 3.4 meter^3.
A factory worker moves a 25.0 crate a distance of 4.00 along a level floor at constant velocity by pushing horizontally on it. What is the net work done on the crate
A meterstick of negligible mass has a 0.15kg mass at its 38cm mark and a 0.35kg mass at the 78cm mark. Where should the fulcrum be so the meterstick is balanced
The angular momentum of a flywheel having a rotational inertia of 0.647 kg·m2 about its central axis decreases from 6.30 to 0.880 kg·m2/s in 3.00 s. How much work is done on the wheel
an electron experiences a magnetic force of magnitude 4.60 x10-15 when moving at an angle of 60.0 degree with respect
A blu-ray disc has a mass of 20 g and is 12 cm in diameter. The fastest drives can spin the disc at 10000 RPM after uniformly accelerating it for 1 s. Find the net torque on the disc
a compact disc spins at 2.2 revolutions per second. an ant is walking on the cd and finds that it just begins to slide
A small block having mass m sits on a uniform disk that has radius R=0.5m. What is the initial angular velocity of the disk
The magnitude of the electrostatic force between two identical ions of mass 1.224×10-25 kg that are separated by a distance of 6.50 nm is 1.770×10-9 N. Calculate the electric field at the site of each ion
A cosmic ray travels 60 km through the earth's atmosphere in 380?s, How long does the journey take according to the cosmic ray
A boy whirls a stone in a horizontal circle 1.6m above the ground,by means of a string 1.4m long. The angle between the stringand horizontal plane is 10 degrees. The string breaks, the stone flies horizontally, and strikes the ground 6m away. What..
q1. a woman is riding a boat at the speed of v when she notices a seawall straight ahead. the farthest she can lean the
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