If a neutron star has a radius of 10 km and rotates 716 times a second, what is the speed of the surface at the neutron star's equator as a fraction of the speed of light?
Q: Imagine a very massive black hole with a small planet in orbit about it. The planet, has an orbital…
A: Time period (T) = 9.7 days = 9.7×24×60×60 seconds = 838080 seconds Orbital radius (R) = 5.97×108 m…
Q: A particle has γ=15,687. Calculate c-v in m/s. (I would have asked for 1 - v/c, making the answer…
A:
Q: ole at which the escape speed is the speed of light, 3.00 × 108^8 m/sm/s, making all escape…
A: Given:- A black hole with a mass 7.5 times the mass of the sun. Nothing can escape the event…
Q: A star, which is 2.3 x 1020 m from the center of a galaxy, revolves around that center once every…
A:
Q: A pulsar may form when a star of medium mass dies. On July 4, 1054 CE, Chinese astronomers witnessed…
A:
Q: Calculate Earth's mass given the acceleration due to gravity at the North Pole is 9.830 m/s² and the…
A: Given Data: Acceleration due to gravity at the North Pole gn=9.830 ms2 The radius of the earth at…
Q: lighthouse sweeps its beam of light around in a circle once every 7.6 s. To an observer in a…
A: Given, Time interval, ∆t=7.6s ∆t'=16s
Q: The Schwarzschild radius, RS, of a black hole depends on its mass m, the speed of light c, and the…
A: Let's take the gravitational constant G=m3kg×s2 and try to get rid of m2 in the numerator and kg×s2…
Q: Now look at the two images labeled "At a distance of 2.5M" and "At a distance of 2.1M". These show…
A: The mass of the black hole is so massive that even light can’t escape from it. A black hole is a…
Q: The Small Magellanic Cloud is a dwarf galary orbiting the Milky Way at a distance of 50 kiloparsecs…
A: Given: The observed velocity of the Small Magellanic cloud relative to the Milky way is v = 207 km/s…
Q: A star of 1012kg & another star of 1010kg separates by 105m. what is the gravitational force (in…
A: The gravitational force between the two stars is, F=GMmr2
Q: A light year (LY) is the distance that light travels in one year. 1 LY = 9.46x1015 m. Suppose we…
A:
Q: At a distance of 6.00 x 102 ly, Kepler-22b is the nearest habitable planet found orbiting another…
A:
Q: Q. 16: If the velocity of the electron in its first orbit of hydrogen atoms 2.1 x 106 m/s then its…
A: To find-Velocity of electron in 3rd orbit is=?Given-Velocity of orbit in first orbit is 2.1×106 m/s
Q: The Andromeda Galaxy has a mass of around 4 x 10* 42 kg and is 2.4 x 10*22 m away. What is your…
A: Given data: Mass of galaxy (M) = 4×1042 kg Distance from centre of mass (r) = 2.4×1022 m
Q: Galaxy B moves away from galaxy A at 0.5010.501 times the speed of light. Galaxy C moves away from…
A:
Q: What size would you have to squeeze Jupiter down to in order to turn it into a black hole? Use a…
A: The mass of the Jupiter is M=1.898×1027 kg. Assume the speed of the light as c=3×108 m/s. Assume the…
Q: stant speed a planet orbiting years have elapsed on earth, and 9.6 years have elapsed on board the…
A: ACCORDING TO QUETION - WE TRY LEARN ABOUT TIME ELAPSED Time takenby the spaceship to reach the…
Q: What is the general equation for potential energy due to gravity using Ug=mgΔh?
A: The gravitational force of attraction acting on the mass m is calculated by the following equation.…
Q: A star, which is 2.2 x 1020 m from the center of a galaxy, revolves around that center once every…
A:
Q: The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken…
A: Given: The distance of the galaxy is 1025 m. Introduction: The light travels at a speed of 3×108 m/s…
Q: The light from the sun takes 400 s to reach the earth. Assuming that the speed of the light is 2,…
A:
Q: a rocket ship traveling near the speed of light appears to a stationary observer to shorten with…
A: Rocket with a length of L0= 200 meters. Rocket is A traveling at a speed of 99% of the speed of…
Q: An object of mass mm is launched from a planet of mass M and radius R. Calculate this minimum…
A: Write the given data. M=5.38×1023 kgR=83.2×103 km=83.2×106 m
Q: A planet of mass ?=5.45×10^24 kg is orbiting in a circular path a star of mass ?=4.45×10^29 kg . The…
A: We can use the Kepler’s third law equation to solve this problem. The expression for orbital period…
Q: In 1999, scientists discovered a new class of black holes with masses 100 to 10,000 times the mass…
A:
Q: Q 2 Within a certain distance of a black hole, not even light can escape. This distance is called…
A: According to the question the black hole has same mass as the sun Mb = 2.0 x 1030kg since the…
Q: An exoplanet revolves around a massive star. The radius of the orbit that the exoplanet has is 4.56…
A: Keplers third law of motion relates the time period of revolution of a moon around a planet or that…
Q: The Sun’s lifetime is about 10 billion years. Estimate the lifetime of a star with twice the mass of…
A: Given data as per question Lifetime of sun =10 billion years
Q: When a falling meteoroid is at a distance above the Earth's surface of 2.3 times the Earth's radius,…
A: Given: Meteoroid is at a distance of 2.3 times of that of the Earth's radius.
Q: How long does it take (in seconds) for light to travel from the Sun to Saturn if the Sun is roughly…
A: Given data: Distance (d) = 1.5×109 km Speed of light (v) = 3×108 m/s Required: Time (t)
Q: The dwarf planet, Pluto, is 5.91 x 10^12 m from the sun. How many hours does it take light from the…
A: Given data: Distance (d) = 5.91×1012 m 1 h = 3600 s Speed of light (v) = 3.00×108 m/s Required: The…
Q: A star with mass m = 2.624 x 1030 kg revolves around the center of mass of the Milky Way galaxy in…
A: Given, Radius of orbit is 3.7*1020 meter and velocity is 400,000 m/s
Q: The acceleration due to gravity of planet X is 7.80m/s2, and its radius is 5,900 km. The…
A: ANSWER E) 4.07×10^24kg
Q: Jek Porkins is passing a small but suspicious-looking moon traveling at 0.490c. If the spherical…
A:
Q: Most galaxies, including our own Milky Way, have supermassive black holes at their centers.…
A:
Q: Compare the masses of the Sun (1.99×10" kg) and Earth (5.98×10" kg).
A:
Q: A ship moves at a constant speed between Earth and Alpha Centauri, 4.2 light years away. According…
A:
Q: In 2004 astronomers reported the discovery of a large Jupiter-sized planet orbiting in circular path…
A: r=Radius of orbit=6.4×109 kmT=Orbital time period=3.09 daysG=Gravitational constant=6.674×10−11…
Q: Millennium Falcon is approximately
A:
Q: What is the speed of light (c=3.0∗10^8m/s) in kilometers per hour?
A:
Q: If you were traveling away from a planet at 99% the speed of light, and turned on a flash light…
A: A flash light is turned on by observer moving at speed 0.99 c
Step by step
Solved in 3 steps
