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In a particle accelerator, two beams of protons are moving at 0.5c and approach each other head on. In the reference frame of one of the protons, what is the kinetic energy and momentum of an oncoming proton?
During each heartbeat, approximately 68 cm3 of blood is pushed from theheart at an average pressure of 105 mm-Hg. Calculate the power output of the heart
Consider the interface between atmospheric air and a body of water, both at 17 °C. What are the mole and mass fraction of water at the air side of the interface? At the water side of the interface?
a 60.0-kg runner expends310w of power while running a marathon. assuming that 11.0of the energy is delivered to the
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force perpendicular to the arm, because the figure indicates.
A resistor with 325? and an inductor are connected in series across an ac source that has voltage amplitude 520V . The rate at which electrical energy is dissipated in the resistor is 234W. What is the amplitude of the voltage across the inductor
At the top of a cliff 100m high, Raoul throws a rock at a 30 degree angle with velocity 15.0 m/s. how far away from the bottom of the cliff should the first rock land
A 1.50 x 103 kilogram car starts from rest and accelerates uniformly to 16.0 m/s in 11.5 second. Compute the average power developed by the engine
A long jumper leaves the ground at an angle of 20.0o to the horizontal and at a speed of 11.0 m/s. How long does he take to reach maximum height
Imagine that in a certain proton accelerator, roughly 1011 protons at a time go around a ring having a radius of 4.0 km, What is the current flowing in the ring, in amperes
A convex mirror has a focal length of magnitude 6.23 cm. (a) If the image is virtual, what is the object location for which the magnitude of the image distance is one third the magnitude of the object distance? (Enter distance in cm from the front of..
A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons
An ice skater is rotating at 3.4rev/seconds while her arms are beside her. The moment of inertia of the skater is 5kg x m^2. what is her new angular velocity
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