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A 1500Kg car traveling east at 18.0m/s collides with a 2000Kg truck traveling at 25.0m/s north. If the cars lock together after the collision how fast will they be going and in what direction? If the coefficient of kinetic friction among the cars and the surface is 0.30 how far will they slide before they stop?
a damped harmonic oscillator consists of a block m 2.00 kg a spring k 10.0 nm and a damping force the is linearly
Two pieces of the same wire have the same length. From one piece, asquare coil containing a single loop is made. From the other, acircular coil containing a single loop is made. The coils carry different currents.
we know that the magnitudes of the negative charge on the electron and the positive charge on the proton are equal.
calculate the electric field on the axis of the disk at 5 cm, 10 cm, 50 cm, 200 cm from the center of the disk
Suppose an asteroid is found that appears to be heading directly toward Earth (using Earth's location at the time of discovery). It is 4.2 A.U. away (i.e., 4.2 times the Earth-Sun distance), and travelling through the Solar System with a speed of ..
A beam of light enters the fiber from air at an angle theta1 with respect to the normal. What is theta1 if light strikes the core-cladding interface at critical angle theta c.
A material has a dielectric constant of εr=3.0 andhas an atomic density of 1028 atoms per cubic meter. If only two electrons in the outer orbital shell will distort with anapplied E-field, and both electrons follow the same orbital path asa pair,
A large capacitance of 1.80 mF is needed for a certain application, Calculate the volume of Teflon alone in the capacitor
Consider a bright star in our night sky. Assume its distance from Earth is 20.9 light-years (ly) and its power output is 4.00 1028 W, about 100 times that of the Sun. Find the intensity of the starlight at the Earth.
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Illustrate what is the speed of the electron when it is 10.0 from charge 1?
A circular loop carries a current I. It is placed in a constant magnetic field in such a way that the field lines are perpendicular to the lane of the circle
Use conservation of energy to calculate the speed of the alpha particle at infinity. m/s (e) If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity. m/s
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