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An electron of mass m leaves one end of a TV picturetube with zero initial velocity and travels in a straight line toan accelerating grid, which is a distance s away. Itreaches the grid with a speed of v. The acceleratingforce is constant.
A) Find the acceleration
B) Find the time to reach the grid
C) Find the net force. (You can ignore the gravitationalforce on the electron.)
A compressed-air vessel has a volume of 10 ft^3. Cooling coils hold its temperature constant at 68 oF. The pressure now in the vessel is 100 psia. Air is flowing in at the rate of 10 lbm/h. How fast is the pressure increasing?
A fuzzy die that has weight of 1.8 N hangs from the ceiling of a car by a massless string. Find the angle theta
express What is the light intensity on a wall. How far does the ball drop vertically by the time it reaches the plate 18.0 m away.
Several children are on a sled pulled by a four-wheeler across a level snow-covered field. determine the work done on the sled by the tension in the rope in 10.0 s
a small dog sits 3.0 m in front of a plane mirror. where is the dog's image in relation to the mirror
Block A has mass 1.20 kg and Block B has mass 2.9 kg. They are forced together, compressing spring S between them how much potential energy was stored in the compressed spring
A 55.0cm long brass rod has a diameter of 3.00cm. What compression force will break this rod? What tension force will break this rod
You are test driving a newly developed set of tires. You go into a flat curve (no incline) that has a radius of curvature of 59 m. If you start to skid at a velocity 25 m/s, what is the coefficient of friction for these tires?
You are piloting a small plane that can maintain an air speed of 136.5 kt (knots, or nautical miles per hour) and you want to fly due north (azimuth = 000°) relative to the ground.
question1a 350 piano slides 3.4 down a 34 incline and is kept from accelerating by a man who is pushing back on it
An archer shoots an arrow with a velocity of 30 m/s at an angle of 20 degrees with respect to the horizontal. What is the initial speed of the apple
Two forces parallel to the x axis do 19.0 J of work on a small tray while moving it 17.6 m in the x direction across a gym floor, What is the other force
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