Discuss whether this statement is correct: “In the absence of air resistance, the trajectory of a projectile thrown near the earth’s surface is an ellipse, not a parabola.”

Q: A train is going from London to Manchester with a velocity of 340 km/h. What is the velocity…

A: centrifugal force is the outward force when any object moving in a rotational track. Again coriolis…

Q: A train is driving from Hamburg to Kiel with a velocity of 340 km/h. What is the velocity component…

A: Coriolis force is applies to the rotating objects and can determined by the mass of the rotating…

Q: Kepler’s First Law states that planetary orbits are ellipses with thesun at one focus. The orbit of…

A: The relation is  perihelion = a (1 - e)  aphelion  = a ( 1+e)

Q: Ex. 20 : A satellite is moving round a planet in a circular orbit with a velocity of 8 km/s, at a…

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Q: You are exploring a distant planet. When your spaceship is ina circular orbit at a distance of 630…

A: From Newton’s law of gravitation and angular speed, the value of acceleration due to gravity be…

Q: A satellite is moving in a circular orbit around a small planet with an orbital speed to. The…

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Q: It took a 950 kg racing car 14.3 seconds to travel at uniform speed around a circular racetrack of…

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Q: A mass moves in a horizontal circle at speed V at the end of a string of length L with tension T. If…

A: A mass m moves in horizontal circle with speed V Mass is connected with a string having length L…

Q: body of mass 10 kg, is moving with a velocity of 5 m/s in a circle of radius 5 m, what is the…

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Q: The Sun orbits the Milky Way galaxy once each 2.60 × 108 years , with a roughly circular orbit…

A: Let T denote the time period of the sun, r denote the radius of the orbit, v denote the velocity of…

Q: Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon.…

A: The Moon's radius is, R=1.7×106 m The acceleration due to gravity on the Moon is, gm=1.33 m/s2 The…

Q: A 1.5 kg ball is being swung in a 1.0 m (radius) horizontal circle on a string.  If the speed of the…

A: Given:- Mass (m) = 1.5 kg Radius (r) = 1.0 m Speed (v) = 6.6 m/s

Q: O increases. e decreases. e remains the same.

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Q: A ball is thrown from a height of 1.26 meters, with Vo=32 m/s, and at a 30 degree angle with the…

A: Given: yo=1.26 mvo=32 m/sθ=30° with vertical

Q: Where do you expect acceleration due to gravity to be larger (and why): at the poles or at the…

A: The value of the acceleration due to gravity at the pole is larger than at the equator because the…

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: A train is going from London to Manchester with a velocity of 340 km/h. What is the velocity…

A: When any object moving on a rotational track, it will experience an outward force is known as…

Q: An object of mass 5.6 x10 ^7 kg is located at the Cartesian origin, (Om,Om). A second object, of…

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Q: A car, with mass m, is racing around a circular track with some velocity v. If the car suddenly had…

A: Given:mass of the car is trippledthereforem' = 3mand velocity is doubled,v' = 2vthere if no change…

Q: Why is the acceleration of a body moving uniformly in a circle, directed towards the centre?

A: Answer When a body travels in a circular path it's direction constantly changes and thus it's…

Q: (a) Determine the astronaut's orbital speed. m/s (b) Determine the period of the orbit.

A: Given data: The distance of the orbit from the moon's surface is: h=800 km The acceleration due to…

Q: Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon.…

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Q: 21. Find the gravitational acceleration at this highest point. This would be the initial downward…

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Q: It was indeed as I thought very simple indeed. I was actually almost there in resolving it but I got…

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Q: A projectile is fired from the surface of the earth with a velocity of 5ms and angle 0 with the…

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Q: the ratio between the centripetal acceleration by which a satellite moves in its orbit and…

A: Centripetal acceleration of satellite = v2/r Where v is velocity of satellite and r is distance from…

Q: Problem 3: A satellite is orbiting around a planet in a circular orbit. The radius of the orbit,…

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Q: Ba rB

A: Given, rB=30000km The angular velocity of satellite A, ωA=360024hoursωA=2π24×60×60 Force on…

Q: A piece of spacecraft debris initially at rest falls to the earth’s surface from a height above the…

A: From energy conservation,12m×0+-GMmR+R/2=12mv2+-GMmRG=gravitation constantM=mass of…

Q: The acceleration due to gravity can sometimes have a direction of upward if the body moves upward,…

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Q: Two planets P, and P orbit around a star S in circular orbits with speeds v = 44.2 km/s, and v2 =…

A: According to Kepler's third law, in any planetary system, the third power of the orbital radius of a…

Q: A satellite orbits Mars on a closed orbit with e=0.6 and r₁= 4500 km. Calculate the flight path…

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Q: The shuttle orbiter A is in a circular orbit of altitude 200 mi, while spacecraft B is in a…

A: In this question we simple determine  position vector from A to B.