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1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T
2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron and the field make an angle of 45 degree.
The drawing shows a person (weight W = 582 N, L1 = 0.841 m, L2 = 0.406 m) doing push-ups. Find the normal force exerted by the floor on each hand
A certain refrigerator has a K of 5. When it is running its power input is 500 Watt. Find how long does it take to freeze the water to ice at 0oC
When a 200 N bag of nails hangs motionless from a single vertical strand of rope, how much tension is exerted in the strand? Answer in units of N. How much tension if the bag is supported by 2 vertical strands? That is, how much tension is exerted i..
A 2.5-cm-tall object is 24cm to the left of a lens with a focal length of 12cm, Calculate the distance between image and the second lens
Determine how much work must be done to stop a 49000 kilogram airplane landing at 250 km/h? Make sure you input the correct sign for work
In a physics demonstration, two rubber balls are dropped down a tube towards the ground,with the lighter ball behind, How high does the light ball rise after the two collisions
A spring is compressed by 0.0541 m and is used to launch an object horizontally with a speed of 2.80 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
A lens of focal length 105 millimeter is used as a magnifier. The object being viewed is 7.8 millimeter long, Find the angular magnification of the magnifier
Block A in the figure weighs 1.60 N and block B weighs 3.10 N. The coefficient of kinetic friction between all surfaces is 0.300. Illustrate what is the friction force on block A?
After the first snow of the winter, you and your friends go sledding on the Tecumseh Street overpass of I-35. If the snow is frictionless, the length of the hill is 23 meters, and the angle of the hill is 40 degrees from the horizontal, how fast will..
Find out the lengths of acceleration and deceleration phases
Consider a stack of paper 3.0 meters high. each sheet of paper is the stack has a thickness of 0.01 centimeter
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