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The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the star.
a) How much time would elapse on a clock on board the spaceship?
b) How much time would elapse on a clock on the Earth?
A pair of flat mirrors meet to form a right angle. A beam of light is incident on one of them at a point 11.5 cm from their point of intersection, find what is the angle of incidence at the first mirror
A large air conditioner has a resistance of 7.0?and an inductive reactance of 17?. Find the impedance of the air conditioner
Two, concentric, thin spherical shells of radii R1 = 28.3 cm and R2 = 35.4 cm are uniformly charged with a total charge Q1 = -63.5 ?C, What is the potential of the outer shell
At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. The length of each rod can be adjusted to be one-quarter of a wavelength of an electromagnetic wave whose frequency is 125 MHz. How long is ea..
A grating that has 3400 slits per cm produces a third-order fringe at a 24.0? angle. What wavelength of light is being used
If you are in a car accident with an initial speed of 119 km/h and you are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash.
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
The length of a moving spaceship is 29.4 m according to an astronaut on the spaceship. compute the speed of the spaceship
The electromagnetic wave used in a microwave oven have a wavelength of about 12.222 cm. What is the frequency of the radiation
Six uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 7.39-V battery, Find the capacitance of each capacitor
An attacker at the base of a castle wall 3.63 m high throws a rock straight up with speed 8.80 m/s at a height of 1.51 m above the ground. Find the change in speed of a rock
Dizziness. Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness, What is the radical acceleration (in m/s^2) of the endolymph fluid
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