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You are at the controls of a particle accelerator, sending beam of 3.90 x 10^7 m/s protons (mass m) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unknown element. All such protons rebound with a speed of 3.60 x 10^7 m/s. Assume that the initial speed of the target nucleus is negligible and that the collision is elastic.(a) Find the mass of one of the nuclei of the unknown element. Express you answer in terms of the proton mass m.(b) What is the speed of the unknown nucleus immediately after such a collision?
A proton of mass m is accelerated up to a kinetic energy K and then collides with a stationary proton at rest. All that is left after the collision is a new particle of mass M.
A 300 ball on a 70--long string is swung in a vertical circle about a point 200 above the floor. What was the tension in the string an instant before it broke
At the start of his race, an 84-kg runner pushes against the starting block, Determine the horizontal speed of the runner after the force is exerted for 0.32s
A car accelerates uniformly from rest to a speed of 35.0 mi/h in 9.0 s, find the constant acceleration of the car
What is the shortest and non-trivial channel impulse response that has zero amplitude response at both zero frequency as well as the Nyquist frequency?
a copper rod had an initial diameter of 4.0 mm and an initial cross-sectional area of (pi)d^2/4=12.6 mm^2. What was the rod's final cross-sectional area
An athlete whirls a 7.49 kg hammer tied to the end of a 1.3 m chain in a horizontal circle. What is the centripetal acceleration of the hammer
A man sits on the south bank of a 100m wide river that flows due east at 2m/s. The man can swim 3m/s, How long will it take him to cross
A 1000 kg artillery shell is fired from a battleship. What net external force is exerted on the artillery shell before it leaves the barrel of the gun
Each plate of a parallel-plate capacitor is a square of side 0.0339 m and the plates are separated by 0.407 × 10-3 m. Find the electric field strength inside the capacitor
A 175mH inductor with 49ohm resistance is connected in series to a 24uF capacitor and a 50Hz, Vrms = 30V source. Calculate the phase angle and rms current
The sun radiates electromagnetic energy at the rate of 3.91×1026 W. What is the change in the sun's mass during one second? Express the answer as a positive mass
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