Physics question and answers for May 07, 2024
- Q 11 Come up with at least one idea to explain the difference you saw between the Moon s acceleration and the acceleration of objects near Earth s surface Hint Your...
- Q 3 Johannes Kepler was a German mathematician and astronomer who lived from 1571 1630 He discovered the mathematical relationship between the orbital radius and orbital period T x 7 This...
- Q 8c5p80 Imagine a landing craft approaching the surface of Callisto one of Jupiter s moons If the engine provides an upward force thrust of 2808 N the craft descends at...
- Q hrw8c13p27 A solid sphere of uniform density has a mass of 4 5x104 kg and a radius of 2 0 m What is the gravitational force due to the sphere...
- Q hrw8c13p45 Our Sun with mass 2 00 1030 kg revolves about the center of the Milky Way galaxy which is 2 20 1020 m away once every 2 50 108...
- Q 3 What is the difference between gravitational forces and electrostatic forces 10 points
- Q Cellite in Earth orbit has a mass of 105 kg and is at an altitude of 1 97 x 106 m Assume that U 0 as r a What is...
- Q A satellite of mass m is in a circular orbit of radius r about a planet of mass M The total energy of the satellite E r is given by...
- Q The nearest neighboring star to the Sun is about 4 light years away If a planet happened to be orbiting this star at an orbital radius equal to that of...
- Q Which of the following best describes how astronomers have deduced the existence of dark matter within the Milky Way a stars near the center of the Milky Way are moving...
- Q Two small objects, with masses mand M, are originally a distance rapart, and the gravitational force on each one has magnitude F. The second object has its mass changed to...
- Q The Earth has a mass of 5.98 x 1024 kg, the Moon has a mass of 7.34 x 1022 kg, and the distance from the center of the Earth to...
- Q Venus, like other planets, circles the Sun in a round manner while spinning about its axis. A year is defined by the time it takes to complete one complete orbit...
- Q The gravitational field strength between two objectsis the sum of two vectors pointing in oppositedirections. Somewhere between the objects, thevectors will cancel, and the total force will be zero.Determine the...
- Q An alien spacecraft is out in space leaving an unknown planet. It detects the pull of gravity due to his unknown planet to be 100.0 N. Later the alien rechecks...
- Q An object has a mass of 35 kg. The acceleration of gravity is 9.8 m/s. What is its weight on the earth? Answer in units of N. What is its...
- Q A 300.0 kg asteroid is 8.0*105 meters away from the center of Earth. What is thegravitational force between the asteroid and the Earth? (HINT: You will need to lookup the...
- Q The moon has a mass of 1 x 10^22 kg, and the gravitational field strength at a distance R from the planet is 0.001 N/kg. What is the gravitational force...
- Q To derive the 3rd law of Keppler. Use the the 2nd Newtonslaw, the law of gravity, centripetal acceleration, and thespeed for the rotation of the complete circumference in theorbital period...
- Q Infinite number of bodies, each of mass 2kg are situated on x-axis at distance 1m, 2m, 4m, 8m, . respectively, from the origin. The resulting gravitational potential due to this...
- Q A particle of mass M is situated at the centre of spherical shell of same mass and radius a. The magnitude of the gravitational potential at a point situated at...
- Q Two solid spherical planets of equal radii R having masses 4 M and 9 M their centre are separated by a distance 6 R. A projectile of mass m is...
- Q At closest approach, the 722 kg Voyager 2 probe flew by Neptune at an altitude of 29,240km. - watch your units!!!A) What was the probe's weight at that moment if...
- Q The International Space Station is in a 300-mile-high orbit.What is the station's orbital speed? The radius of Earth is 6.37 x 106 m, its mass is 5.98 x 1024 kg.What...
- Q The space shuttle typically orbits 400 km above the earth's surface. The earth has a massof 5.98 x 1024 kg and a radius of 6,380 km.A) How much would a...
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