Physics question and answers for May 15, 2024
- Q Q 1 How much faster would a person be moving if they stood on top of a 23 7 m high building compared to the ground Take the period to...
- Q Determine the kinetic energy a 5000 kg spacecraft must have in order to escape the Earth s gravitational field Mass of the earth 6 0 x 1024 kg radius of...
- Q rod and a solid sphere are placed as shown in diagram Leng of rod is 4L and radius of sphere is L Mass of rod and sphere is m each...
- Q 3 Weight of a body of mass m decreases by 1 when it is raised to height h above the earth s surface If the body is taken to a...
- Q Gravitational field of a uniform solid sphere of mass m and radius R is given as where r is distance from centre of sphere Gmr 9 0 r R R3...
- Q 13 The two ends of a uniform thin rod of length 2 R and of mass 2 2 kg can move without friction along a vertical circular path of radius...
- Q This section contains 1 Matrix Match type question which has 2 Columns Column I and Column II Colum four entries A B C and D Column II has four entries...
- Q 1 Two planets A and B are revolving around the Sun have time period in the ratio of 27 2 2 then the ratio of their radius of revolution is...
- Q A Law of gravitation gives the gravitational force between two bodies having any masses R When the distance between two objects is increased the force of attraction between them will...
- Q 16 A solid sphere has mass M uniformly distributed over its volume and a is radius of sphere What is the gravitational potential at the centre of the sphere x4...
- Q Suppose there are two planets X and Y Orbit of planet X lies between the orbits of Mars and Earth while orbit of planet Y lies between the orbits of...
- Q Gravitational force between two point masses m and M separated by a distance r is F Now if the distance between them is halved the force between them becomes Only...
- Q Q 2 Attempt the following part a Define conservative force A planet of the so lar system has an elliptical orbit with a 5 8 10 km and e 0...
- Q The line joining the planet to the sun sweeps out area A B and C in time t and t3 respectively as shown below M the columns C Sun A...
- Q tional Consider the force of attraction between you 35 kg and the earth The mass of the earth is about 6 x 1024 kg and its radius is about 6...
- Q At the center of a non uniform ring of radius R made up of two uniform halves of mass 2M and M G Newton s gravitational constant A field and...
- Q The figure shows an infinitely long thin wire of uniform linearly mass density and two points P and Q Then 7 a P The gravitational field at P is 2G...
- Q A projectile is field vertically upwards from the surface of earth with velocity KV where V is escape velocity and K 1 If R is the radius of the earth...
- Q A satellite orbits around the earth in a circular orbit with speed u and orbital radius r If it loses some energy then 1 u decreases and r increases 2...
- Q dA dt A planet revolves about the sun in elliptical orbit The arial velocity of the planet is 4 0 x 10 m s The least distance between planet and...
- Q Gravitation Calculate the gravitational potential energy of a 7 7 kg mass a on the surface the Earth and b at an altitude of 350 km c Take the difference...
- Q Determine the vibrational contribution to Cy for CO2 where 2349 cm 667 cm doubly degenerate and 3 1333 cm at T 210 K Express your answer in joules per mole...
- Q The centres of two stars of masses M and 16M of radii R and 2R are separated by a distance of 10R Draw a graph between gravitational potential V and...
- Q CD UPB 2016 09 umericals The average distance of the sun from a planet is 9 times in comparison to average distance of sun UPB 2014 Ans 27 years from...
- Q B D 7 Four tunnels are supposed to be bored through the earth between two places on a longitude as shown in the figure One of them with midpoint at...
- Q If you wanted to determine the mass of a black hole in an X ray binary what would be easiest for you measure O a The radius of the event...
- Q A ring of uniform mass M and radius R is placed in Y Z plane with centre at the origin as shown A particle of mass m is released from...
- Q 0 7 Dependence of intensity of gravitational field E of earth with distance r from centre of earth is correctly respresented by AIPMT 2014 Et 1 3 TLL R R...
- Q 16 A circuit contains an ammeter a battery of 30 and a resistance 40 8 ohm all connected in series If the ammeter has a coil of resistance 480 ohr...
- Q At what distance from center of earth the gravitationa field strength is 25 of that at the earth s surface given that the radius of earth is R R 4...
- Q A satellite close to the earth is in orbit above the equator with a period of rotation of 1 5 hours If it is above a point P on the...
- Q Binary stars rotate under mutual gravitational force at separation 2 units where to is the angular velocity of each of the star about centre of mass of the system If...
- Q SolveLancer Test An object of mass 50 kg dropped from a height of 20m on a planct The mass and radius are thrice that of earth Find the momenturn of...
- Q A satellite of mass mis rotating around earth in circular orbit of radius 3R What extra energy should be given to this satellite if it is to be shifted into...
- Q A Body falling into sun from a large distance A body starts from rest toward sun from a distance equal to the radius of earth s orbit around sun Find...
- Q Consider two identical particles each of mass m held at a separation ro in free space One of them is given a velocity vo perpendicular to r and the other...
- Q Spaceman Fred s spaceship which has negligible mass is in an elliptical orbit about Planet Bob The minimum distance between the spaceship and the planet is R the maximum distance...
- Q 153 The ratio of the energy required to raise a satellite upto a height h above the earth of radius R to that the kinetic energy of the satellite in...
- Q Two satellites are launched at a distance R from a planet of negligible radius Both satellites are launched in the tangential direction The first satellite launches correctly at a speed...
- Q An accurate pendulum clock is mounted on ground floor of a high building How much time will it lose or gain in one day if it is transferred to top...
- Q and r from centre of R and mass M are F and F respectively the find ratio of F and F Joy 1 3 4 F 12 2 2 F...
- Q An object of mass 50 kg dropped from a height of 20m on a planet The mass and radius are thrice that of earth Find the momentum of the object...
- Q Xor Three uniform spheres of mass M and radius R each are kept in such a way that each touches the other two Find the magnitude of gravitational force on...
- Q nce r radius then SUN mass zelai M Min a circular orbit of radius r with angular speed w Another planet of mass 2m moves round the sun in circular...
- Q ound the earth surface If of earth is g ting on the 2021 Sec d radius R Find the minimum energy required to launch a satellite of mass m from...
- Q ALLEN 9 Figure shows the variations of energy E with the 19 ff was from Efendi yfi orbit radius r of a satellite in a circular motion Choose the correct...
- Q Six stars of equal mass m moving about the centre of mass of the system such that they are always on the vertices of a regular hexagon of side length...
- Q A near earth orbit satellite of earth experiences very small air resistance It s period of revolution decreases by 1 08 sec day 160 3 It s radius decreases by...
- Q 7 Two satellites X and Y revolve in the same circular orbit around the earth The mass of X is greater than the mass of Y Which of the following...
- Q E 6 28 Two bodies of masses m and M are placed a distance d 6 apart The gravitational potential at the position where the gravitational field due to them...
- Q O An object of mass m is raised from the surface of the earth to a height equal to the radius of the earth Determine the gain in the potential...
- Q 2 For an object lying on the surface of the Earth the Escape speed is 11 2 km s If an object on the Earth is thrown away with a...
- Q around the sun twice as fast as the earth What would be its orbital size as compared to that of the earth lo one of the satellites of Jupiter has...
- Q 2 4 A rocket is fired from earth s surface with a 10 speed v 2 Rg in the upwards direction Z 1 The rocket will remain in earth s...
- Q mass 2M is attached to a massless spring Wi spring constant k This block is connected to two other blocks of masses M and 2M using two massless pulleys and...
- Q placed at vertices of an equilateral triangle of arm L keeping the triangle as such by which angular speed the bodies should be rotated in their gravitational fields so that...
- Q The density p of a sphere of radius R varies with distance r from the centre as p po 1 The gravitational field is constant The gravitational field at r...
- Q A spherically symmetric gravitational system of particles has a mass density Poforr SR Oforr R where Po is a constant A test mass can undergo circular motion under the influence...
- Q A marble of radius r rolls back and forth without slipping in a spherical dish radius R Use energy considerations to show that the motion is simple harmon for small...
- Q Question 6 If a body of mass m is taken out from a point below the surface of earth equal to half the radius of earth R to height R...
- Q A particle of mass m is thrown in a parabolic path towards earth having mass M and radius R It comes to a greatest approach distance R 2 from surface...
- Q Two identical particles of mass M and charge Q are placed at same distance If they are in equilibrium under gravitational and electric force then calculate value of Q M...
- Q 10 A satellite is moving in circular orbit with areal velocity V If the radius of the earth is R and the acceleration a due to gravity on the surface...
- Q 3 4 6 When a planet moves around the Sun a its angular momentum about the sun remains constant b it moves faster when it is nearer to the Sun...
- Q satellite is in a circular orbit around the Earth at an altitude of 3 32 x 100 m a Find the period of the orbit Hint Modify Kepler s third...
- Q satellite of Mars called Phobos has an orbital radius of 9 4 x 106 m and a period of 2 8 x 104 s Assuming the orbit is circular determine...
- Q 2 Set both masses to 5 00 billion kg and the distance between them to 3 00 km What is the magnitude of the gravitational force between the two masses
- Q Will is a scien igning Will knows that the gravitational pull of Mars is less than the gravitational pull of Earth When he lands on Mars his mass will be...
- Q Two ships of equal mass are 103 m apart What is the acceleration of either ship due to the gravitational attraction of the other Treat the ships as particles and...
- Q Solve the following variance problem Kepler s third law of planetary motion states that the square of the time required for a planet to make one revolution about the sun...
- Q 10 A satellite is in a circular orbit around an unknown planet The satellite has a speed of 2 35 x 10 m s and the radius of the orbit...
- Q 7 A 200 kg satellite is in circular orbit at a height of 600 km above the earth s surface a Find the speed of the satellite A 2 b...
- Q ents Two particles A and B of masses mand 2m respectively are released from rest from separation 2r They move under Find n mutual gravitational attraction The speed of particle...
- Q A satellite m 800 kg is launched to a medium Earth orbit MEO having an altitude of two Earth radii RE 6378 km a Derive the equation for the work...
- Q Potential at the centers of two very thin spherical shells A and B of equal radii and equal masses are VA and VB respectively Mass of shell A is uniformly...
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