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An electrically charged point particle that has a mass of 1.5x 10^-6 kg is launched into a uniform electric field with amagnitude of 925 N/C. The particle'e initial velocity is 8.80m/s,directed eastward, and the external electric field is also directedeastward. A short time after ebing launched, the particle is 6.71 x10^-3 m below and 0.160m east of its initial position. Determinethe net charge carried by the particle, including the algebraicsign (+ or -).
in lightning storms the potential difference between the earth and the bottom of the thunderclouds can be as high as 50
A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
A tennis player swings her 1000 g racket with a speed of 8.00m/s . She hits a 60 g tennis ball that was approaching her at a speed of 13.0m/s, How fast is her racket moving immediately after the impact
A car, starting from rest, accelerates for 5 seconds until its wheels are moving with an angular velocity of 1000 rad/s. What is the angular acceleration of the wheels?A car, starting from rest, accelerates for 5 seconds until its wheels are moving w..
In 0.784 s, a 11.1-kg block is pulled through a distance of 4.71 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block.
A massless spring is hanging vertically and unloaded, from the ceiling. A mass is attached to the bottom end and released. How close to its final resting position is the mass after 1 second, given that it finally comes to rest 0.5 meters below the po..
A glass coffee pot has a circular bottom with a 9.00cm diamteter in contact with a heating element that keeps the coffee warm with a continous heat transfer rate of 50.0w, what is the temperature of the bottom of the pot, if it is 3.00mm thick and..
A blower releases a ball down the lane with a linear velocity at release of 12 meters per second. what was the angular acceleration of the arm to the release point
A straight wire segment 4 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.19 m/s. How much time is the stone in the air
During an expansion process of a closed system, the pressure of a gas changes from 100 kPa to 400 kPa according to the following relation: P = a + bV Where “a” is a constant, “b” = 100 kPa/m3, and “V” is the volume of the system in meters cube. If th..
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
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