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When the meson moves with a speed of 0.96c, determine its mean lifetime as evaluated by an observer on the Earth?
An astronaut at rest on Earth consists of a heartbeat rate of 70 beats/min. If the astronaut is traveling in a spaceship at around 0.80c, determine what the rate will be as measured by the given. (
When the analyzer is rotated till the transmitted intensity is around 33.1 percent of the original light intensity, determine the new angle of the analyzer with respect to the polarizer?
A friend in a space-ship travels past you at a high speed. He says to you that his ship is 22 m long and that the similar ship you are sitting in is 18 m long. (i) According to your interpretation,
When astronauts could travel at v = 0.980c, we on Earth would state it takes (4.20/0.980) = 4.29 years to reach Alpha Centauri, 4.20 light-years away. The astronauts disagree. (i) Determine how much
A deep-space probe moves away from the Earth having a speed of 0.86c. An antenna on the probe needs 3.0 s, in probe time; to rotate via 1.0 rev. Determine how much time is needed for 1.0 rev accordi
Determine the phase angle among the current and the applied voltage? (Compute the angle in degrees, however don’t provide units.)
The critical angle for net internal reflection for sapphire surrounded through air is around 34.4°. Compute the index of refraction of the substance.
As part of the safety investigation, two 1900 cars traveling at 20 are crashed into dissimilar barriers. Determine the average forces applied on (i) the car which strikes a line of water barrels and
In a given CRT, electrons are accelerated horizontally through 8.0 kV. They then pass via a uniform electric field E for a distance of around 2.5 cm, which deflects them upward so they reach the scr
A cylindrical electromagnet includes a uniformly magnetized core encompassing a magnetization of 1.6 x 106 A/m, surrounded through a coil of 19 cm long with 3120 turns of wire carrying a current of 4
A proton beam in the accelerator carries a current of around 115 µA. When the beam is incident on the target, determine how many protons hit the target in a period of around 16.0 s?
A ball of 0.500 kg tied to a string, 2.00m long and the other end of the string is tied to a rigid support. The ball is held straight out horizontally from the point of support. With the string held
A piece of glass losses around 40.25g of its mass if weighed in water and 75.38 g of its mass if weighted in sulphuric acid. Compute the specific gravity of the acid.
A future space station in orbit around the earth is being powered through an electromagnetic beam from the earth. The beam consists of a cross-sectional area of around 172 m2 and transmits an averag
A fish tank filled with water is made up of flat glass walls having n = 1.64. Determine the maximum angle of incidence for a light ray in the water to hit the glass wall and still come out to the ou
An average emf of magnitude 0.095 V is induced in the coil. Determine the magnitude of the magnetic field at the place of the coil.
i) Radiation from the Sun reaching Earth (just exterior the atmosphere) consists of an intensity of 1400 W/m2. Determine what would the intensity be at Mars ii) Compute the force on Mars due to radiat
A flywheel having a radius of 0.300 m begins from rest and accelerates having a constant angular acceleration of around 0.600 rad/s. Calcukate the magnitude of the tangential acceleration, the radia
A photon emerges from the radioactive cesium having energy of 0.662 MeV. It is scattered through a loosely-bound electron in an aluminum target and a detector records its energy as 0.228 MeV. Via wh
A stone is attached to a rope of length 1m and is swung in a circle. Beginning from rest, it consists of angular acceleration of 3 rad/s^2. Determine the magnitude of the net acceleration after 2/3
The mass of a neutron is around1.68×10-27 kg. (i) Determine the de Broglie wavelength of a neutron in the beam? (ii) Determine the speed of the neutrons in the beam?
A horizontal force having 12 Newton is exerted to a box of 4.0 kg which slides on a horizontal surface. The box begins from rest moves a horizontal distance of around 10 meters and get a velocity of
A person is holding a push-up position. Her mass is around 64 kg, her height is 1.6m and her center of gravity is around 1m above her feet. Determine the force applied by each of her hands? Keep in
A uniform thin rod having length 0.6 m is suspending vertically beneath a pivot at its end. Determine what initial angular velocity must be given to the rod so that it rotates around the pivot and e