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A 300 g mass of mercury at a temperature of 250°C is poured into a container filled with 500 g of water at 20°C. The container is a copper cup of mass 70 g which is also initially at 20°C. What is the final temperature of the system?
a 40 mh inductor with 3.5 resistance is connected in series to a 20 microf capacitor and a 60 hz 40-v rms source.
A 1.5 kilogram block is at rest on a horizontal frictionless surface. The block is attached to a spring that is itself fixed to the wall. Determine what was the initial speed of the bullet
A copper bar 30.0 cm long is perpendicular to a field of flux density 0.80 Wb/m2 and moves at right angles to the field with a speed of 0.50 m/s
Carbon disulfide (CS2) has a vapor pressure of 300 Torr at room temperature, estimate the average time between collisions that the gas is experiencing inside the test chamber
A diatomic molecule is excited to its first rotational energy level, corresponding to J = 1. what is the angular speed of the molecule about its center of mass
A 150 pF capacitor is charged to a potential difference of 64 V, and the charging battery is disconnected. The capacitor is then connected in parallel with a second (initially uncharged) capacitor. If the measured potential difference across the firs..
q1. for each of the situations below the charged particle enters a region of uniform magnetic field. illustrate a
A ball of mass 0.440 kg moving east (+x direction) with a speed of 3.80 m/s collides head-on with a 0.580 kg ball at rest. what will be the speed and direction of each ball
A billiard ball rolling across a table to the right at 1.4 m/s makes a head-on elastic collision with an identical ball. The mass of a billiard ball is 34 g. find the velocity of the second ball after the collision
A copper wire has a length of 6 meter and a diameter of 4 millimeter. Young's modulus given by the textbook is 11.0 x 1010. Find under what load will its length increase by 0.35 mm
Marble experiment lab helps Show your calculation of the launch velocity of the marble as a function of height and distance travelled
A subway train is traveling at 83 km/h when it approaches a slower train 46m ahead traveling in the similar direction at 23 km/h.If the faster train begins decelerating at 2.1 meter per second square while the slower train continues at constant s..
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