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Describe, in general terms, how we may be able, through some simple experiments, determine the mass of the Earth?
a pilot can withstand ten times the acceleration due to gravity 10 gs if he is wearing a special tight-fitting g-suit
An aircraft carrier has a speed of 13.0 m/s relative to thewater. What is thefrequency of the sound heard by the crew on the ship
Three resistors, 29, 47, and 77 ?, are connected in series, and a 0.49-A current passes through them. obtain the potential difference across the three resistors
The Hamiltonian of a system of two (spin- 1/2) electron H= ?1?z1+?2?z2 where ?z is the Pauli Matrix, ? is an energy parameter and our subscripts represent the two electrons 1 and 2. What is the basis where this Hamiltonian is diagonal and what is the..
The ratio of the average acceleration values is a1/a2 = 1.24. Find out the velocity of the car at the end of the initial ten-second interval.
in a young's double slit experiment two rays of monochromatic light emerge from the slits and meet at a point on a distant screen. what is the wavelength in mm of the monochromatic light
Three equal positive point charges of magnitude Q = 6.00? C are located at three corners of a square of edge length d = 2.6 cm, What is the magnitude of the attractive force
You are standing midway between a ceremonial cannon and a reflective wall. How far apart are the cannon and the wall
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 51° C. What is the temperature coefficient of resistivity
A certain type of laser emits light that has a frequency of 6.0 × 1014 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 2.8 × 10-11 s. How many wavelengths are there in one pulse
A small marble is dropped from a height of 12 m and comes to rest after penetrating2.3 cm into sand. A) Determine the marble's impact speed at the sand's surface. B) Determine the marble's deceleration while impacting with the sand.
A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. If he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball
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