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An astronaut leaves Earth in a spaceship at a speed of 0.280C relative to Earth. If the destination is a star system 12.5 light-years away as measured by an observer on Earth, Find the distance to the star system as measured by the astronaut?
consider an annular disk in the xy plane centered on the origin. an annular disk is a disk with a hole missing from the
In a Carnot cycle, the isothermal expansion of an ideal gas takes place at 400K, determine the work performed by the gas during the cycle
How long does it take electrons to get from a car battery to the starting motor? Assume the current is 340 A and the electronstravel through a copper wire with cross-sectional area 0.21cm2 and length 0.85 m.
The four tires of an automobile are inflated to a gauge pressure of2.3 105 Pa. Each tire has an area of0.022 m2 in contact with theground. Determine the weight of the automobile
a beam of red light of wavelength 700 nm shines on a single slit of width 122um. the light falls on a screen 0.8 meters
An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.6 times the mass of the other. If 25000 J is released in the explosion, how much kinetic energy does each piece acquire?
A 2,700-kg satellite is in a circular orbit around a planet. The satellite travels with a constant speed of 6,270 m/s. The radius of the circular orbit is 8.72 × 10^6 m. What is the acceleration of satellite.
A tuning fork with a frequency of 440 Hz is held above a resonance tube that is partially full with water. Assuming that the speed of sound in air is 342 m/s, for what three smallest heights of the air column will resonance occur?
A solenoid with a radius of 8.0 x 10-3 meter and 210 turn/cm is used as an inductor in a circuit. Evaluate what is the length of the solenoid
The crystal structure of titanium is HCP with a=0.285 nm. Use the hard sphere model of the HCP unit cell. Find the volume of the non primitive unit cell of titanium
A stunt pilot performs a circular dive of radius 715m. At the bottom of the dive pilot has a speed of 265 m/s which at that instant is increasing at a rate of 15 m/s2(along the direction of vector B) What total acceleration does the pilot have at ..
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
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