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A 5.00-g lead bullet traveling at 300 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in temperature of the bullet? °C
A circuit consists of an ideal ac generator, a 25 µF capacitor, and an 85O resistor, all connected in series. Find the average power supplied by the generator
Calculate the speed of a proton that is accelerated from rest through an electric potential difference of138V. Calculate the speed of an electron that is accelerated through the same potential difference.
A ball is thrown horizontally off a bridge at 35m/s. The bridge is 25m above the water below. Where will the ball land horizontally from the bridge
A lightbulb has a resistance of 230? when operating with a potential difference of 180V across it. What is the current in the lightbulb? mA
Point particle a with mass ma is moving in the positive x direction and collides with stationary point particle b with mass mb. Prove that it is not possible for a to “stick” to b so that both particles move together as a single object after the coll..
Light in a trasnparant material (index of refraction 1.333) strikes a boundary with another transparant material. (n=1.010), What is the critical angle for total internal reflection
What potential is generated on a plane's wings when it flies through the earth's magnetic field
For two stars of the same surface temperature, how does their relative luminosity depend on their radii
A 3.0 kg mud ball drops from rest at a height of 10 m. what is the average net force exerted by the ball
A one-meter-long glass tube is sealed at one end. How far from the midpoint will the mercury be when the closed end of the tube is immersed in boiling water
A hydrogen atom emits a photon that has momentum 0.6592 × 10-27 kg·m/s. This photon is emitted because the electron in the atom falls from a higher energy level into the n = 3 level. What is the quantum number of the level from which the electron fal..
A straight 2.06 -mm-diameter copper wire can just 'float' horizontally in air because of the force of the Earth's magnetic field B, What current I does the wire carry
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