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At some instant the velocity components of an electron moving between two charged parallel plates are vx = m/s and vy = m/s. Suppose that the electric field between the plates is given by = (125 N/C) .
(a) What is the electron's acceleration in the field?
(b) What is the electron's velocity when its x coordinate has changed by 2.2 cm?
If the balloon can barely lift an additional 2900N of passengers, breakfast, and champagne when the outside air density is 1.23kg/m3, FIND the average density of the heated gases in the envelope
Billy has a bucket that has a mass of 150 g, in which he put 150 g of fresh water. He has tied 150-cm of string to the handle of the bucket.
The image of a very distant car is located 35 cm behind a convex mirror. What is the radius of curvature of the mirror
An object of mass 5kg has an initial velocity of 10m/s, if this object has moved a distance of 40m and maintains a final velocity of 20m/s. What is the external force encountered by this object
2 kg of a saturated mixture aat 200 kpa and 20 quality is heated at a constant temperature until it becomes a saturated
A proton travels with a speed of 4.90 106 m/s at an angle of 55° with the direction of a magnetic field of magnitude 0.190 T in the positive x-direction. What is the magnitude of the magnetic force on the proton
A consumer upset with the latest trend of postal rate increases has decided to try to send letters by balloon even though they may not reach their intended destination
a 30 kg child stands on the edge of a stationary merry-go-round of radius 2.0 m. What is the angular speed of the merry-go-round just after the ball is caught
Your car achieves 30 miles per gallon and weighs 3000 pounds. What approximately is the percentage of the energy spent on the journey that actually goes to "moving you
Two metal disks, one with radius = 2.47cm and mass = 0.850kg and the other with radius = 5.00cm and mass = 1.58kg , are welded together and mounted on a frictionless axis through their common center. .
1. at a typical drift speed of 510-5 ms it takes an electron about 100 minutes to travel through one of your connecting
Suppose a 1-kg parcel of dry air is rising at a constant verticalvelocity. If the parcel is being heated by radiation at the rate of10-1 W kg-1 , what must the speed of rise beto maintain the parcel at a constant temperature?
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