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A proton moving with speed 3.45 x 105 m/s in a field-free region enters an essentially uniform magnetic field of magnitude 0.795 T perpendicular to the velocity of the proton. If the proton enters the magnetic field region at a 60o angle,
(a) Find at what angle does it leave?
(b) Find at what distance Y does it exit the field?
All "simple machines" (pulleys) operate via the same principle. Explain how relative amounts of force used , distance traveled and work done apply to these machines
An iron brick measuring 200 mm / 20 cm / 0.05 m is submerged in pure water. (Hint: Use Table 4.4 from your book to find the densities) a) What is the weight of the brick? b) What is the buoyant force on the brick? c) What is the net force on the bric..
A system of two paint buckets connected by a light weight rope isreleased from rest with the 12.0-kg bucket 2.00m above the floor. find the speed withwhich this bucket strikes the floor
After a tornado, a 0.60 g straw was found embedded 2.5 cm intothe trunk of a tree. what was the speed of the straw when it hit the tree
an insulating rod of length 2a is aligned along the y-axis and centered on the x-axis. if the rod has a linear charge
A 5.00 x 10^4 kg space probe is travelling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to decrease the probe's speed. The retrorockets generate a force of 4.00 x 10^5 N over a distance of 2600 km. What ..
An electron is shot horizontally (x direction) with velocity of 2.2x10^5 m/s into a region with a uniform electric field of 10000.0N/C in the positive Y direction. What is its position(x and y) in 1.25 seconds?
The resistance of a copper wire is 0.8? at 20 DC. When it is placed in an oven, its resistance is 1.2?. What is the temperature of the oven
Estimate the temperature change of the air in 2 h
An eagle perched on a tree limb 19.5 m above the water spots a fish swimming near the surface. How long does it take for the eagle to reach the water
An object with a mass of 500g is attached to a spring. The system is moving in simple harmonic motion with an amplitude of 0.020m, What is the frequency of the system
To increase the resolving power of a microscope, the object and the objective are immersed in oil (n = 1.54), what is the limiting angle of resolution with the oil
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