A proton is accelerated from rest through a potential difference of 2.5 kV and then moves perpendicularly through a uniform 0.60-T magnetic field. What is the radius of the resulting path?
a. 15 mm
b. 12 mm
c. 18 mm
d. 24 mm
e. 8.5 mm
B
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Antiprotons and positrons are examples of ______________, which are not ordinary matter
Fill in the blank(s) with correct word
Compound Microscope: A compound microscope consists of an objective lens of focal length f0 and an eyepiece that by itself produces an angular magnification 25.0. The microscope is designed so that the object to be viewed is on the left side of the objective lens and is focused in a plane that is 28.00 cm away from the right-hand (or inside) focal point of the objective lens. When properly adjusted, the eyepiece and the objective lens are 29.90 cm apart. The eyepiece magnification is based on an image at infinity and a near point at 25.0 cm. What is f0?
Fill in the blank(s) with the appropriate word(s).
Temperature Scales: Oxygen condenses into a liquid at approximately 90 K. What temperature, in degrees Fahrenheit, does this correspond to?
A. -193°F B. -217°F C. -265°F D. -297°F
An ant walks down the surface of a ball. If the ant begins to slip when the normal force is less than one-third of the tangential component of the ant's weight, at what angle, measured from the top of the ball, does the ant begin to slip?
A) 70.5° B) 19.5° C) 55.0° D) 18.4° E) 35.2°