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A 3.0 g bullet traveling at 350 m/s hits a tree and slows down uniformly to a stop while penetrating a distance of 12 cm into the trees trunk. What is the force exerted on the bullet in bringing it to rest.
A bottle has a mass of 35.00 g when empty and 98.40 g when filled with water. What is the specific gravity of this other fluid
A particle with a charge of 4.10 is in a uniform electric field directed to the left. What work was done by the electric force
Suppose a heat engine has an efficiency of 0.201 and produces 1.09×104 J of work. How much energy is pulled in from the hot reservoir? How much energy is rejected by the engine? (This energy is "exhausted" to the cold reservoir.))
A 32.2 uF capacitor is connected to a 50.2 ohm resistor and a generator whose rms output is 37.2 V at 50.0 Hz. Calculate the rms current in the circuit. Calculate the phase angle for the circuit
A 1kg block at the bottom of a ramp is on a compressed spring with the spring constant k=300N/m. what is the initial acceleration of the block up the ramp
An airplane propeller is 3.08 in length (from tip to tip) and has a mass of 152. What is the propeller's angular speed after making 5.00
If the range of discharge times that can be handled effectively is from 10.0 μ s to 6.00 ms, illustrate what should be the (a) lower value and (b) higher value of the resistance range of the resistor?
The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
The human eye is sensitive to orange light having a frequency of about 4.95 1014 Hz, What is the energy in joules of the photons associated with this light
A moving particle encounters an external electric field that decreases its kinetic energy from 9910 eV to 6840 eV as the particle moves from position A to position B. Determine the charge of the particle
A fireman, 25.6 m away from a burning building, directs a stream of water from a ground level fire hose at an angle of 39.5° above the horizontal
a baseball is thrown directly upward at time and is caught again at time . assume that airresistance is so small that
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