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A 3.0 kg particle with velocity v = (5.0 m/s) i -(6.0 m/s) j is at x = 3.0 m, y = 8.0 m. It ispulled by a 7.0 N force in the negative x direction.
a) What is the angular momentum of the particle about the origin?b) What torque about the origin acts on the particle?c) At what rate is the angular momentum of the particle changing?
A flywheel turns through 28 rev as it slows from an angular speed of 3.3 rad/s to a stop. Assuming a constant angular acceleration, find the time for it to come to rest
Two laser beams fall on a screen and illuminate small circular areas. What is the minimum distance between the centers of the circles in order for an observer
At a certain instant in time, in an electromagnetic wave, the electric field vector points to the north and the magnetic field vector points vertically downward.
q1. collapsible plastic bags are used in hospitals for infusions. we want to use such a bag to infuse an electrolyte
you are assigned the design of a cylindrical pressurized water tank for a future colony on mars where the acceleration
A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is spinning at an average angular velocity of 290 rev/min (assumed constant) on its way to the catcher's mitt
The sun transfers energy to the earth by radiation at a rate of approximately 1.00kW per square meter of surface. what would be the length of its sides in kilometers and in miles
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.46 m. What was the direction of the mug's velocity just before it hit the floor
A surface completely surrounds a 3.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.59 m, (b) a sphere with a radius of 0.16 m, and (c) a cube with edges that are 0.27 m long.
Two cubes with sides of length 168.4 mm fit in a space that is 337.8 mm wide, as shown in the figure. One cube is made of aluminum, and the other is made of brass. What temperature increase is required for the cubes to completely fill the gap? (The l..
A particle of charge 1.2mC is located 1mm inside of uniform charge of 3.2mC that has an inner radius of 5.0cm, What is the magnitude of the net electrostatic force on the particle
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