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A 48.7 gram silver bullet traveling at 912 mph strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
If a speed-time graph has points (2,200) and 4,500) what is the average acceleration?
A soccer ball is kicked with an initial speed of 20 m/s at an angle of 25° with respect to the horizontal. Find the maximum height reached by the ball
A series RC circuit with C = 56?F and R = 6.4? has a 25V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed, What is the voltage across the resistor immediately afterward
a bicycle is traveling north at 5.0 ms. the mass of the wheel 2.0 kg is uniformly distributed along the rim which has a
an infinitely long cylinder of radius 4.0 cm carries a uniform volume charge density r 200 ncm3. what is the electric
A spring is extended by 30mm when a force of 1.5 N is applied toit. if the spring was unstretchedbefore applying the mas calculate the loss in the potential energyof the mass
A metal wire of resistance R is cut into three equal pieces that are then braided together side by side to form a new cable with length equal to one-third of the original length
The nucleus of the polonium isotope 214^po (mass 214u ) is radioactive and decays by emitting an alpha particle, what is the recoil speed of the nucleus that remains after the decay
A man in search of his dog drives first 10mi northeast, then 54mi straight south, and finally 6mi in a direction 30° north of west. What are the magnitude and direction of his resultant displacement.
The following charges are located inside a submarine: 6.20 µC, ?9.00 µC, 27.0 µC, and ?59 µC. find the net electric flux through the hull of the submarine
An accelerator increases the total energy of electrons uniformly to 10 GeV over a 3000 m path. That means that at 30 m. 300 m, and 3000 m, the kinetic energy is 108, 109, and 1010 eV, respectively. At each of these distances, calculate the velocity, ..
A tiny 0.0250 microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced metal plates that carry same but opposite charges on their facing surfaces. Determine which plate must be positive, the upper one or..
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