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Three resistors are connected to a 54 V battery. R1=3Ω, R2=6.01Ω, R3=4Ω. Estimate the current through each resistor and the voltage across each resistor. R1 and R2 are in a miniseries attached to a bigger series with R3.
A battery of ε = 2.00 V and internal resistanceR = 0.450 Ω is driving a motor. The motor is lifting a 2.0N mass at constant speed v = 0.50 m/s. Assumingno energy losses, find the current i in the circuit. Enter the lower current.
a u.s $20 gold piece has a mass of 33.44g and displaces 1.935cm^3 of water. if the coin is known to consist of only gold, what is the percentage of gold composition by mass of the coin
You're in a uniform electric field of magnitude 300N/C, compute the potential difference if you travel 1 cm in the direction of the field
A rock with mass 2.0 kg is projected from the ground with an initial velocity that has magnitude 14.0 m/s, what is the gravitational potential energy of the rock
A major-league pitcher can throw a ball in excess of 41.5 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release
A section of an advertising sign consists of a long tube full by neon gas having electrodes inside at both ends. A uniform electric field of 20 kN/C is set up between the electrodes, and neon ions accelerate along the length of the tube. Given that t..
A 5.00 g object moving to the right at+20.0cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. Discover the velocity of each object after the collision.
As shown, a 86.0 kg bungee jumper wants to jump from the top of a 130 m high bridge and be able to just touch the water below (Part A figure) . Given that the bungee cord has a spring constant of 71.6 N/m, what should the bungee cord's relaxed length..
On average, Venus is 0.72 AU from the sun and its surface temperature is 735 K. Determine how much of this is due to Venus greenhouse effect
A spherical balloon of volume 4.03 x10^3 cm3 contains helium at the pressure of 1.15 x10^5 Pa. How various moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x10-22 J.
a long thin solenoid has 55 turnscm and carries a current of 0.212 a. the solenoid is filled with iron and the magnetic
The electric motor of a model train accelerates the train from rest to 0.740 m/s in 34.0 ms. Find the average power delivered to the train during its acceleration
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