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(a) Calculate the approximate rms speed of an amino acid whose molecular mass is 89 u in a living cell at 38°C.
____m/s
(b) What would be the rms speed of a protein of molecular mass 50,000 u at 38°C?
____ m/s
A rabbit trying to escape a fox runs north for 4.0 m, darts northwest for 8.0 m, then drops 1.0 m down a hole into its burrow
In a hydraulic garage lift, the small piston has a radius of 5.0 centimeter and the large piston has a radius of 15 centimeter. Find what force must be applied on the small piston
An object undergoes simple harmonic motion in the x direction. Its position is given by x=A sin(0.497 t + 4.32), What is the frequency of the object's motion in hertz (Hz)
A 2 kg block is released from the top of a curved incline in theshape of a quarter of a circle radius R. Calculate the radius of the incline in meters
One afternoon, you are playing on a wooden basketball court with a hula-hoop to amuse yourself. find the hoop's speed just before it hits the wall
Two identical guitar strings are prepared such that they have the same length (2.56 m) and are under the same amount of tension. What is the wave propagation speed on the guitar strings
A long, current-carrying solenoid with an air core has 1750 turns per meter of length and a radius of 0.0175 m. What is the mutual inductance of this system
A huge explosion is heard 69.5 miles away. How long does it take the sound to travel that far
One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a volume equal to 26.0 L and an internal energy of 3.95 kJ. As the gas is slowly heated, the plot of its state on a PV diagram moves in a straight line to the final state.
A projectile is launched from level ground. When it lands, its direction of motion has rotated clockwise by 60 degrees. What was the launch angle.
A guitar string is being restrung with a string having a diameter of 1.4 mm and a length of 0.82 m when no tension is applied. If the string has a Young's modulus of 1.4 x 10^11 N/m^2 and is tightened by wrapping it three times around a peg with a 2...
An isolated conductor of arbitrary shape has a net charge of +11 x 10- 6 C. what is the charge on the outer surface of the conductor
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