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Solve the all parts of given question:
Question: An electron has a total energy of 7.8MeV.
Part A: What is its kinetic energy?
Part B: What is its momentum?
Please explain and show work so I can do it next time!
What happens to the period of a mass-on-a-spring simple harmonic oscillator if the mass is doubled? What happens to the period if the spring constant is reduced by a factor of 3? How does the period depend on the amplitude of the oscillation?
A slender rod with a length of 0.300m rotates with an angular speed of 9.00 rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
To help you think about how illuminance varies with distance, suppose a small light source is placed at the center of two transparent spheres. how much of the light passes through the first sphere
q1. a rifle that shoots bullets at 420 ms is to be aimed at a target 49.0 m away. if the center of the target is level
work function of potassium is 2.225 eV. Find the cutoff wave length of potassium, find the frequency of the x-ray
A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
What will be the equilibrium temperature when a 223 g block of copper at 258 C is placed in the 178 g aluminium calorimeter cup containing 874 g of water at 13.2 C.
A thin, uniform, metal bar, 3m long and weighing80N , is hanging vertically from the ceiling by a frictionless pivot, Find the angular speed of the bar just after the collision
The crates are pulled to the right at a constant acceleration 3m⁄s^2 by a horizontal force F. Calculate (a) the magnitude of the force F and (b) the tension in the rope connecting the blocks. Include the free body diagram or diagrams you used.
An airtight box has a removable lid of area 1.10 multiplied by 10-2m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 0.80 multiplied by 105 Pa.
A park ranger wants to shoot a monkey hanging from a branch of a tree with a tranquilizing dart. The ranger aims directly at the monkey, not realizing that the dart will follow a parabolic path and thus will fall below the monkey.
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