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A hockey puck moving along the +x axis at 0.42 meter per second collides into another puck that is at rest. The pucks have identical mass. The first puck is deflected 37o below the +x axis and moves off at 0.36 m/s.
Obtain the speed and direction of the second puck after the collision.
Compute what is the speed?
Compute what is the direction?
A starship voyages to a distant planet 10 ly away. The explorers stay 1.0yr , return at the same speed, and arrive back on earth 26yr after they left. How much time has elapsed on the astronauts' chronometers
A single conservative force F(x) acts on a 2.9 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -3.8xe^-x/5, What is the mechanical energy of the system
Each second, a nuclear power plant generates 2000 MJ of thermal energy from nuclear reactions in the reactor's core. What is the maximum possible thermal efficiency of the power plant
Consider a parallel-plate capacitor with .30m by .50m-rectangular plates separated from eachother by .010mm. this capacitor has a capacitance of 280nF, find the dielectric constant of this capacitor
To the unaided eye, the planet Jupiter has an angular diameter of 50 arc seconds. What will its angular size be when viewed during a 0.75 m focal length refracting telescope with an eyepiece whose focal length is 30 mm?
A 5.7kg box is on a frictionless 44° slope and is connected via a massless string over a massless, find the tension in the string once the box begins to move
A spring is hung from the ceiling. A 0.400-kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
four masses m1 5.30 kg m2 4.10 kg m3 9.30 kg m4 4.10 kg are hanging from the ceiling as shown. they are connected
question1the drawing not to scale shows one alignment of the sun earth and moon. the gravitational force that the sun
What is the repulsive electrical force between two protons 4.0×10?15m apart from each other in an atomic nucleus
A cylinder made of insulating material has a uniform volume charge density. The cylinder is 20m in length and a radius 0.2m. The total charge on the cylinder is 4nC. Half way down the cylinder's length, what is the electric field outside the cylinder..
A fully charged 7.8 uF capacitor is connected in series with a 1.8×105 ohm resistor. What percentage of the original charge is left on the capacitor
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