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Question: A 3.4 kg object moving at 5.4 m/s in the positive direction of an x axis has a one-dimensional elastic collision with an object of mass M, initially at rest. After the collision the object of mass M has a velocity of 7.0 m/s in the positive direction of the x axis. What is mass M?
The scale of a spring balance reading from zero to 200 N is12.5 cm long. A fish hanging from the bottom of the springoscillates vertically at 2.60 Hz. What is the mass of the fish
A heat engine operates between two reservoirs at temperatures of 19.5oC and 313oC. What is the maximum efficiency possible for this engine
Light is shining perpendicularly on the surface of the earth with an intensity of 131 W/m2. determine the number of photons per second per square meter that reach the earth
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced
A solenoid that is 86.0 cm long has a cross-sectional area of 20.0 cm2. There are 860 turns of wire carrying a current of 6.60 A. Find the total energy stored in the magnetic field there (neglect end effects)
A 730-N man stands in the middle of a frozen pond of radius5.0 m. He is unable to get to the other side because of a lack offriction between his shoes and the ice. How long does ittake him to reach the south shore
Two positive point charges, each of which has a charge of 4.3E-9 are located at y=+.10m and y+-.10m, What is the direction of this force
A proton is accelerated from rest across a potential difference of 4V. What is the power delivered to the proton by the magnetic field
You are in a hot air balloon (yes, another balloon problem!) rising from the ground at a constant velocity of 2.70 m/s upward. How long does the cork remain in the air
In an RLC circuit, the following three elements are connected in series: a resistor of 45.0 ?, a 21.0-mH inductor, and a 0.450-µF capacitor. Find the power factor for the RLC series circuit
A cosmic ray electron moves at 7.85 x 10e6 m/s perpendicular to the earth's magnetic field at an altitude, What is the radius of the circular path the electron follows
illustrates several of the concepts used in this problem. A single electron orbits a lithium nucleus that contains three protons (+3e). Determine the kinetic energy of the electron
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