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Question: (A) What value of magnetic field would make beam of electrons , travelling to the right at a speed of 4.7× 10^7 m/s , go undetected through a region where there is a uniform electric field of 8500V/m pointing vertically up?
(B) What is the direction of magnetic field if it is known to be perpendicular to the electric field ?
(C) What is the frequency of the circular orbit of the electric field is turned off?
While driving at a constant speed of 66 km/h, you are passed with a car traveling at120 km/h. The frequency of light emitted with the taillights of the passing car is 4.3 multiplied by 1014 Hz. Discover the change infrequency of this light when it re..
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be the volume (in cubic centimeters)
Refer to the Plastic Packaging case in. The ideal lip width is 1.5 in. The lip width data in Table 3.21 (in inches) were taken on the same bags represented in.
Explain Brittle fracture occurs when a small crack in a material grows and the movement of crack involves very little plastic deformation of the metal adjacent to the crack.
When the Sun first moves off the main sequence, it will become what type of star? Define the term nucleosynthesis. Describe how the mass of a star plays a role in the lifetime of a star. What is a brown dwarf? Have any been found?
During WWII some paratroopers landed in gliders instead of dropped by parachute. The gliders had no power of their own, Find the lift force provided by the glider's wings
A 0.73-kg magnetic target is suspended on a string. A 0.025-kgmagnetic dart shot horizontally, strikes the target head-on. The dart and the target together acting like a pendulum, swing 12.0 cm above the initial level before instantaneously coming to..
At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The boys are seated in positions 45° from each other. How far apart will the three teddy bears land
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving
Four objects are situated along the x axis as follows: a 1.70kg object is at -0.9m, a 1.60kg object is at 0.2m, a 2.4-kg object is at the origin, and a 2.50kg object is at -1.10m.
A horizontal block-spring system undergoes simple harmonic motion with amplitude A. Does the total energy change if the mass is doubled but amplitude is not changed? Briefly justify your answer
A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 8.4 m/s at the end of 7.2 s. At that time, the kinetic energy of the system is 62 J and each mass has moved a distance of 30..
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