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Briefly explain why different nuclei (hydrogens) in a molecule give rise to their own NMR signal.
Let 20.9 J of heat be added to a gas. As a result, Its volume changes from 50.0 to 100.0 cm^3 while the pressure remains constante at 1 atm. By how much did the internal energy of the gas change?
A 352-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. Find the magnitude of the motorcycle's acceleration
a solenoid 30.0 cm long and with a cross-sectional area of 0.600 cm2 contains 460 turns of wire and carries a current
the current in a 30 meter wide river is 3 m/s towards the north. If you need to move straight across the river, how far downstream do you reach the shore
On your wedding day your lover gives you a gold ring of mass 3.98 g. 59 years later its mass is 3.73 g. On the average how many atoms were abrated from the ring during each second of your marriage? The atomic mass of gold is 177 u.
A spaceship leaves Earth traveling at 0.65 c. A second spaceship leaves the first at a speed of 0.80 c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.0 10-6 m (0.0000030 m). What is the temperature inside the furnace
Four point charges, each having a charge with a magnitude of 4.1 µC, are at the corners of a square whose sides are 2 m long. Discover the electrostatic potential energy of this system under the following conditions. All of the charges are negative
What is the kinetic energy of a 1500 kg car traveling at a speed of 35 m/s (76 mph), Does your answer to part b depend on the car's mass
A 1.80 mH inductor is connected in series with a dc battery of negligible internal resistance, a 0.840 k-ohm resistor, and an open switch. How long after the switch is closed will it take for the current in the circuit to reach half of its maximum..
A mass resting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. Find the value of the period of its oscillation
a 2.0 kg object has a velocity v 4.0i ms at t 0. a constant resultant force f 2.0i 4.0j n then acts on the object
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