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A 3.9kg ball with a velocity of 3.2m/s in the +x-direction collides head-on elastically with a stationary 1.5kg ball.
A) What is the speed of the first ball after the collision?
B) What is the direction of the velocity of the first ball after the collision?
C) What is the direction of the velocity of the second ball after the collision?
A circular loop of wire having a radius of 6.0 cm carries a current of 0.14 A. A unit vector parallel to the dipole moment of the loop is given by 0.40i -0.92j, Find the magnetic potential energy of the loop
A train has 4 locomotives (73 tons each) and 60 coal cars (42 tons each). The train is going down a 2.4% incline, What is the mass of the entire train
You throw a 13.0N rock into the air from ground level and observe that, when it is 13.0m high, Use the work-energy principle to find the maximum height the rock will reach
A single conservative force F(x) acts on a 1.1 kg particle that moves along an x axis. What is the maximum kinetic energy of the particle
A 2.8-kg piece of aluminum at 28.5 degrees celsius is placed in 1.0 kg of water in a Styrofoam container at room temperature (20 degrees celsius)
Levy flights- consider a random walk of N steps in one-dimension. suppose that the steps are completely uncorrelated, and that the distribution of step size a is given by phi(a)= k*1/(1+abs(a)^alpha).
A balloon is initially stationary and full of air. The air in the balloon has a mass of 2 g. What speed does the balloon have
Assume a typical hummingbird has a lifespan of 4.00 years and an average heart rate of 1300 beats per minute. Compute the number of times a hummingbird's heart beats in its life, and express it in scientific notation. Make use of 365.24 days per y..
A concave mirror has a focal length of 20 cm. A paraxial beam of light coming from a distant object forms its image at the focal point. compute where is the final image
Two cars a and b are travelling in the equal direction with velocities A and B(A>B). While the car a is at a distance behind car b, the drive of car a applies break producing uniform retardation r, there will b no collision while.
52 cm3 of gasoline are mixed with 40 cm3 of water. What is the average density of the mixture
a charged particle is injected at 211 m/s into a 0.0627- T uniform magnetic magnetic field perpendicularly to the field, What is the charge to mass ratio of this particle
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