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An airplane flies eastward and always accelerates at a constant rate. At one position along its path it has a velocity of 31.1 m/s, it then flies a further distance of 47700 m and afterwards its velocity is 48.7 m/s. Find the airplane's acceleration and calculate how much time elapses while the airplane covers those 47700 m.
Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ice at. Find the amount of heat it would take to bring all of the ice to its melting point
an elevator cabin has a mass of 358.1 kg and the combined mass of the people inside the cabin is 165.3 kg. the cabin is
Two charges q = +8.0 µC are fixed a distance d = 9.0 cm apart. With V = 0 at infinity, what is the electric potential at point C
A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. what is the size of the spot this beam would make on the moon
at what temperature will aluminum have a resistivity that is three times the resistivity of iron at room temperature?
A turntable must spin at 33.4 rpm (3.50 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 2.5 revolutions
A pipe 0.28 meters long and capped at one end exists in a room where the speed of sound is 350 m/s. Determine the three lowest frequencies that will resonate within the tube.
A 3 kg block moving at 4 m/s makes a head-on elastic collision with a stationary block of mass 2 kg. Use coservation of momentum and the fact that the relative speed of recession equals the relative speed of approach to find the velocity of each bloc..
A 2.00-m-long air column is open at both ends. Thefrequency of a certain harmonic is 410 Hz, Determine the speed of soundin the air column
When 200nm light is incident on the cathode of a photoelectric tube, the stopping potential is 4.2V. A) Find the velocity of the most energetic electron emitted from the cathode when the incident light on the cathode is 100nm. B) Find the cutoff wave..
A wire is made of a material with a resistivity of 9.2855 x 10-8 ohms• m. What is the resistance of the wire
Two identical particles of mass m are trapped by an external one dimensional harmonic oscillator potential, but do not interact with each other. The energy levels for a single particle in the potential are En = (n + 1/2)(h_bar)(ω) for n = 0,1,2,3,..
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