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A pulsed proton beam is fired at a target. Each pulse lasts 45.0 ns, and there are protons in each pulse, each proton having a speed of m/s. All the protons hit a circular area of , called the beam spot. What is the average pressure on the beam spot during a pulse if all the protons are absorbed by the target?
A cylindrical air capacitor with a length of 15.6m stores an amount of energy equal to 3.30×10?9J, Calculate the ratio of the radii of the inner and outer conductors
An Escort and a Camaro traveling at right angles collide and stick together. The Escort has a mass of 1200 kg and a speed of 30 km/h in the positive x direction before the collision. What was the speed of the Camaro
A 2.00 kg block is placed against a spring on a frictionless 26° incline. The spring, whose spring constant is 19.8N/cm, compute the elastic potential energy of the compressed spring
On a spacecraft, two engines fire for a time of 598 s. One gives the craft an acceleration in the x direction of ax = 4.92 m/s^2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2. At the end of the firing period, the c..
An AC voltage of the form ?v = 100 sin 1 000t, where ?v is in volts and t is in seconds, is applied to a series RLC circuit. Find the average power delivered to the circuit
A 1200 kg car carrying four 84 kg people travels over a rough washboard dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension.
A laser light passing through a double slit creates a diffraction pattern with maxima 1 cm apart. what is the distance between adjacent minima
q1. the coefficient of static friction between the block and tables surface is ampmu s 13. the mass of the block that
Many nuclear reactors use heavy water moderators in which elastic collisions occur between neutrons and deuterons of mass 2.0 u. What is the speed of a neutron, expressed as a fraction of its original speed
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
If it takes you about 2 minutes to fill your 12 gal (or 0.48 m3) gas tank. Estimate the velocity of the gas as it leaves the nozzle
The skis have a thrust of 220 N. Sam's speed at the bottom is 45.0 {rm m/s}. Illustrate what is the coefficient of kinetic friction of his skis on snow?
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