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Q. A uniform magnetic field of magnitude B= 1.2 teslas is directed toward the bottom of the page in the -y direction as shown above. At time t=0, a proton p in the field is moving in the plane of the page with a speed v0= 4 x 10^7 meters per second in a direction 30 degrees above the x axis.
A) calculate the magnetic forece on the proton at t=0B) with reference to the coordinate system shown above on the right, state the direction of the force on the proton at t=0C) how much work will the magnetic field do on the proton during the interval from t=0 to t=.5 secnonds?D)describe but do not calculate the path of the proton in the field
An object with a mass of 5.10 kg is attached to the free end of the lightstring wrapped around a reel radius R=0.25 m and mass 3kg the reel is a solid disk, free to rotate in a vertical plane about the horizontal axis paasing through its center th..
The aim is to find the woman's position when thebeam begins to tip.
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
What is constant acceleration
the fact that it moves very slowly by sky would probably cause it to be named after Yurtle, the god of turtles.
A certain car battery with a 14.0 V emf has an initial charge of 195 A•h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of 184 W.
Now the gymnast (not holding any additional mass) walks directly above right support. What is the force the left support exerts on beam.
A particular guitar string is supposed to vibrate at 200Hz, but it is measured to actually vibrate at 209Hz. By what percent should the tension in the string be changed to get frequency to the correct value.
A lead ball is dropped into a lake from a diving board 5 above the water. After entering the water, it sinks to the bottom with the constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 3.20 after it is f..
An automobile club plans to race a 780 kg car at the local racetrack. The car needs to be able to travel around several 170 m radius curves at 85 km/h. What must the banking angle of the curves be so that the force of the pavement on the tires of the..
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
When one gallon of gasoline is burned in a car engine, 1.18 x 10^8 J of internal energy is released. Suppose that 0.99 x 10^8 J of this energy flows directly into the surroundings (engine block and exhaust system) in the form of heat. If 6.0 x 10^5 J..
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