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To recharge a 12 V battery, a battery charger must move 3.6 x 10^5 C of charge from the negative terminal to the positive terminal. How much work is done by the charger? Express your answer in joules.
Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, three have speed 2v, five have speed 3v, determine the pressure they exert on the walls of the vessel
Four identical metallic objects carry the following charges: +1.79, +6.21, -4.16, and -9.41C. What is the final charge on each object
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun
The drawings show three charges that have the same magnitude butdifferent signs. In all cases the distance d between the charges isthe same. The magnitude of the charges is , and the distance between themis d = 3.8 mm. Determine the magnitude of t..
An object at rest in a coordinate frame suddenly explodes into three parts of equal mass m. Two parts move away at right angles to each other and with equal speeds |v|.
Two very thick equally-magmetized square plates of side 0.23m and of mass 20 g, Calculate the B field between the two plates, if the distance between them is 0.123 cm
a mass-spring system has k=54.4 N/m and m=0.465kg. Find the period of its simple harmonic motion and Find the frequency of its simple harmonic motion
a sled is moving down an incline plane, the mass of the sled is 40 kg. the angle is 35 degrees, coefficient of kinetic friction is 0.3. Find acceleration of the sled
Gasoline is made up of hydrocarbons. Suppose 80% of mass of gasoline is carbon and all of this becomes CO2 in combustion. If the density of gasoline is 6.7 lb/gal, how much CO2 is emitted per gallon of gasoline burned? The atomic mass of carbon is 12..
q1. points a and b have electric potentials of 243 v and 129 v respectively. when an electron released from rest at
An elevator cable breaks when a 774 kg elevator is 22.9 m above a huge spring (k = 8.00104 N/m) at the bottom of the shaft. Calculate the speed of the elevator just before striking thespring
Steel Piano string, The lowest note on a grand piano has a frequency of 27.5 Hz. The string is 2 m (more or less; let's just assume it is exactly 2.000 m) long, and its tension is 1000 N (again, more or less, so let's say it's exactly 1000 N).
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