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A 851-kg car stopped at an intersection is rear-ended by a 1760-kg truck moving with a speed of 17.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after the collision?
A coil that is circular has a radius of 8 cm and has 400 turns it is on a table horizontally, What is the total EMF in the coil as a function of time and in which direction does the current flow
A uniform, spherical cloud of interstellar gas has mass 2.0x10^30 kg, and radius 1.0x10^13 m and is initially rotating with a period of 1.4x10^6 yrs. what will be the star's rotational period
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 290 m/s. Find the emf induced between the plane's wing tips
Consider three capacitors, of capacitance 3600 pF, 5800 pF and 0.0100 ?F. What is the minimum capacitance you can obtain for them
A satellite in a circular orbit around the earth with a radius 1.011 times the mean radius of the earth is hit by an incoming meteorite. Calculate the amount of that work converted to heat
a 150 Watt computer (computer plus flat panel monitor) is turned on 8.0 hours per day. if electricity costs $0.15/kWh, how much does it cost to run the computer annually
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. If the distance between the plates is halved and then filled with a dielectric, how much energy could this modified capacitor store when connected..
q1. if a car travelling at 63 kmh will skid 18 m when its brakes lock how far will it skid if it is travelling at 150
The allowed energies of a simple atom are 0.0 eV, 4.5 eV, and 7.0 eV. What is the minimum speed the electron could have after the collision
Threshold freq. of metal isf0. When the light of freq. 2f0 is incident on the metal max velocity of electrons is v1 and v2
A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
An unknown nucleus has twice the volume of a nucleus with 83 nucleons. What is the atomic mass number of the unknown nucleus
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