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A proton having an initial velocity of 23.7i Mm/s enters a uniform magnetic field of magnitude 0.270 T with a direction A perpendicular to the proton's velocity. It leaves the field-filled region with velocity -23.7j Mm/s. Determine the direction of the magnetic field. i -j k -i -k j Determine the radius of curvature of the proton's path while in the field, m Determine the distance the proton traveled in the field, m Determine the time interval for which the proton is in the field.
A 58.0 kg girl weighs herself by standing on a scale in an elevator. What is the force exerted with the scale when the elevator is descending at a constant speed of 10 m/s?
A laser beam in air is incident on a liquid at an angle of 38.0 with respect to the normal. What is the critical angle for total internal reflection for this fluid
after struggling to remove a refrigerator mass 100 kg. you finally apply enough force to get it moving. what is the
An electric field is established in a nonuniform rod. A voltmeter is used to measure the potential difference between the left end of the rod and a point a distance x from the left end. The process is repeated, and it is found that the data are descr..
A thin rectangular plate of uniform density is 2.81 kg/m2 has a length a = 32.1 cm and a width b = 21 cm. The lower left corner is located at the origin. Calculate the x coordinate of the object's centre of mass
Soles of boots that are designed to protect workers from electric shock are rated to pass a maximum rms current of 1.3 mA when connected across an 1.7×10^4V AC source.
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
An electron is accelerated from rest by a potential difference of350V. It then enters a uniform magnetic field of magnitude 200mTwith its velocity perpendicular to the field.
A 10kg mass that is moving at 15m/s hits a stationary 10kg mass. The collision is elastic. what is the total momentum BEFORE the collision
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is µs = 0.627, and the kinetic friction coefficient is µk = 0.467. What is the minimum rope tension required
During each cycle, a refrigerator ejects 680 kJ of energy to a high-temperature reservoir, and takes in 600 kJ of energy from a low-temperature reservoir. Determine the work done on the refrigerant in each cycle. Determine the coefficient of performa..
At what distance along the central axis of a uniformly chargedplastic disk of radius R = 1.40 m is themagnitude of the electric field equal to 1/9 times the magnitude ofthe field at the center of the surface of the disk?
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