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A subatomic particle created in an experiment exists in a certain state for a time of Δt = 8.0 x 10-20 s before decaying into other particles. Apply both the Heisenberg uncertainty principle and the equivalence of energy and mass (seeSection28.6) to decide the minimum uncertainty involved in measuring the mass of this short-lived particle.
The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. The mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain by the block and tackle pulley system. What is the work done..
q1. a student holding two weights close to his chest is sitting on a frictionless chair the student and chair are
A certain commercial mass spectrometer (Fig. 28-12) is used to separate uranium ions of mass 3.92 x 10-25 kg, calculate the thermal energy (in J) produced in the cup in 1.07 h
A 1500 kg mass is lowered 200 m and as it is lowered it runs a generator which lights a 100 watt light bulb.how long does the light bulb stay lit
astronomers have discovered a planetary system orbiting a star which is at a distance of 5.6 times 1018 m from the
Three equal point charges, each with charge 1.70 μC, are placed at the vertices of an equilateral triangle whose sides are of length 0.700 m. What is the electric potential energy, U, of the system
Does the force that your hand exerts on the bag's handle do any work? Define. Does this force do any work while you are riding up an escalator at a constant velocity.
a car with a mass of 1060 kg starts from rest and accelerates toa speed of 10.7 m/s in 15.8 seconds, what is the average power developed by the car's engine
A loop of wire with radius R has charge density 3theta^2 , where theta is in radians. Write an integral (but do not solve) to find the electric potential at the center of the loop
A satellite is in a circular orbit around the Earth at an altitude of 3.38 106 m. Find the acceleration of the satellite
A compound microscope has an objective lens of focal length 10.50 with an eyepiece of focal length 14.80, and it produces its final image at infinity. The object to be viewed is placed 2.00 beyond the focal point of objective lens.
Find the maximum rate of deceleration of a car on a dry, levelroad, assuming the coefficient of static friction between tires and pavement equals 1.4. Find the minimum stopping distance if the car has an initialspeed of 25.3 m/s.
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