Ex. 70: At what height form surface of earth the value of acceleration due to gravity will fall to half on the surface of the earth ? (Radius of earth R = 6400 km).

Q: The earth's radius is 6.37×106m6.37×106m; it rotates once every 24 hours. What is the speed of a…

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Q: The radius of the Earth is about 6,000 km.  My weight on the surface of the Earth is 950 N. At…

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Q: If a particle is moving in circular path of radius 'r' with a uniform speed v, then the angle…

A: To find-angle described in one second (θ)=?Given data-radius of circular path 'r'Uniform speed 'v'

Q: A 21.0 kg satellite has a circular orbit with a period of 3.90 h and a radius of 8.90 × 106 m around…

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Q: Determine the magnitude of the gravitational acceleration caused by the Earth at a height of 1.5 Re…

A: Earth's radius (RE) = 6,371,000 metersHeight above Earth's surface (h) = 1.5RE = 9,556,500…

Q: An asteroid is moving directly towards the centre of the earth. When at a distance of 10R (R is the…

A: An asteroid is moving directly towards the center of the earth. At a distance of 10R from the…

Q: With what velocity should a satellite be launched from a height of 600 km above the surface of earth…

A: To find-Critical velocity of a satellite VC=?Given-Height of satellite above the earth's…

Q: The code Orbit (Appendix J) can be used to generate orbital positions, given the mass of the central…

A: Required : Plots of the orbits.

Q: A boy is flying a drone in a circular path at 35 miles per hour. If the drone is experiencing a…

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Q: A particle travels around a circular path having a radius of 38 m. If it is initially traveling with…

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Q: Page 1 of 2 2. Earth is rotating about the Sun in our solar system. The distance between the Earth…

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Q: Once we have the mass, we can determine the magnitude of the circular velocity of the moon using the…

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Q: Ex. 31 An artificial satellite is revolving in circular orbit around the earth with a velocity 0.5…

A: To find- Height of satellite (h)=? Given- Critical velocity of satellite (Vc)=0.5 x (Ve) Radius of…

Q: If a rock is dropped 2.0m above the surface of mars how long would it take to reach the ground?

A: Acceleration due to gravity on mars is 3.711 m/s2.

Q: The radius of the Earth is about 6,000 km.  My weight on the surface of the Earth is 950 N.  At…

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Q: A planet has a mass of 5.98 x 10²4 kg. It has an average orbital speed of 2.978 x 104 m/s as it…

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Q: 3) You are on the vomit comet and the pilot wants to give you an experience of only 0.1g (that is,…

A: Given: Velocity,v=400mph=400×0.44704m/sAcceleration due to gravity,g=9.8m/s2 The apparent weight of…

Q: Q. 37 : What value of speed must be given to a projectile so as to launch it form earth's surface at…

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Q: How many revolutions per minute (rpm) must a circular, rotating space station (r = 1000 m) rotate to…

A: Given, r=1000 mg=9.8 m/s2

Q: iven that earth has a radius of 6.4X10^6 m at its equator, what is the linear velocity at earths…

A: Given that               The radius of the earth (R) = 6.4×106m Now we have to find the linear…

Q: Assuming the earth to be a sphere of uniform mass density, how much would a body weight half way…

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Q: The distance between the Earth and Mars when the two planets are at opposition varies greatly…

A: In astronomy opposition is defined as a configuration when two astronomicl objects are located at…

Q: it of the moon about the earth is approximately circular, with a mean radius of 3.84 x 10% m. It…

A: Given- Radius of orbit of moon (R) = 3.84 x 108 m Time to complete an orbit (t) = 27.3 days  Now we…

Q: Give an everyday example of circular motion for which the centripetal acceleration is mostly or…

A: For a body to incur circular motion, the centripetal acceleration must be provided by some external…

Q: Assume the Earth is a uniform sphere with constant density. Let R represent the radius of the Earth…

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Q: Uniform circular motion involves three key variables: the moving object's speed, the size of the…

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Q: A spacecraft revolves around the Earth in an elliptical orbit at an average distance equal to 10…

A: Say radius of the earth be R km then the radius of the elliptical path of the spacecraft is 10R.

Q: A remote sensing satellite of the Earth in a circular orbit at a height of 400 km above the surface…

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Q: Consider the line element of the sphere of radius a: ds² = a ² (d0² + sin² 0 do ²). The only…

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Q: The radius of the earth is 6400 km. Calculate the velocity with which a body should be projected so…

A: Given that,                  R=6400 km   =6400×103 m We have to find velocity of projection (Ve)