What would be the acceleration of gravity at the surface of a world with twice Earth’s mass and twice its radius?

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with eight times…

A: LetMass of the earth is MeRadius of the earth is ReMass of the surface of a world is MwRadius of the…

Q: If the radius of curvature of the bump is 52 m, find the apparent weight of a 66-kg person in your…

A: Given data :                 Speed of the car, v = 22 m/s                Radius of curvature of the…

Q: What is the magnitude of the apparent weight of a 65 kg astronaut 2700 km from the center of the…

A: mass of astronaut = 65 kg distance of astronaut from the center of moon = 2700 km

Q: What is the strength of the planet's gravitational acceleration at the location of the moon?

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Q: Find the acceleration due to gravity in a mine of depth 640 m if the value at the surface is 9'800…

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Q: A 3.0-kg rocket-propelled toy car has a speed of 6.0 m/s as it rides inverted at the top of a…

A: A 3.0-kg rocket-propelled toy car has a speed of 6.0 m/s as it rides inverted at the top of a…

Q: O. The value of gravity on the moon is 1.6 m/s/s What is the weight of a 75 kg astronaut on the…

A: Given data: Gravity on the moon, gM=1.6 m/s2 Mass of the astronaut, m=75 kg

Q: What is acceleration due to gravity at the equator and at the poles of the earth?

A: The value of ‘g’ is maximum at the poles. .

Q: Consider the gravitational attraction between the Earth and the Moon. Which pulls harder: the Earth…

A: Gravitational acceleration is the acceleration of any object when its made to free fall in vacuum or…

Q: A roller coaster goes over a hill of radius 40 m. What speed is required to achieve weightlessness?

A: Answer:-  Radius(R) = 40 m  We know that Weight (w) = mg ( acting vertically downward)  Normal = N (…

Q: A spaceship is on a straight-line path between Earth and the Moon. At what distance from Earth is…

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Q: how to find the weight of the bo

A: On a planet with no atmosphere, a 650 kg boulder falls off of a tall cliff. The resulting vertical…

Q: Which pulls harder gravitationally, the Earth on the Moon,or the Moon on the Earth? Which…

A: SolE→            ← M      FEM→           FME→  Here , FEM→  = Force acting on earth due to Moon FME→…

Q: You drop a massive iron ball from rest near the surface of a Jupiter and the ball starts to fall…

A: Initial speed of the ball, u = 0 m/s Acceleration due to gravity on Jupiter, a = 24 m/s2 Time, t = 2…

Q: What is the time required for an object starting from rest to fall freely 500 meters near Earth’s…

A: The second equation of motion is given as, Here, S denotes the distance covered by the object, u…

Q: How far from the center of the Sun would the net gravitational force of Earth and the Sun on a…

A: Write the formula for the gravitational force between two massive objects.

Q: A rocket lifts a payload upward from the surface of Earth. The radius of Earth is R, and the weight…

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Q: Gravitational force acts on all bodies in proportion to their masses. Why, then, doesn't a heavy…

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Q: 9. A satellite is in orbit around the earth. Which one feels the greater force? (Gravitation) O The…

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Q: Gravitational force acts on all bodies in proportion to their masses. Why, then, doesn't a heavy…

A: Given,Two masses which masses are m1 and m2 where (m1 > m2) .AccelerGiven,Two masses which masses…

Q: A 70 kg astronaut is repairing spaceship at a height of 640 km above the surface of earth. His…

A: The weight or gravitational force is the force acting on any object having a mass due to the…

Q: What is the magnitude of the gravitational force of attraction be- tween two asteroids in space,…

A: Here given that Mass of asteroid  M1=M2=50000Kg = 5x104  kg Distance between them   r= 3800 m t…

Q: Exploier 38, a radio-astronomy research satellite of mass 200 kg, circles the Earth in an orbit of…

A: The solution is given below

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with nine times…

A: LetMass of the earth = MeMass of the world = MwRadius of the earth = ReRadius of the world = Rw

Q: Where is the weight of body more , at the surface of the Earth or in a mine?

A: Value of acceleration due to gravity decreases as the depth of the object inside the earth…

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with three times…

A: Here, the gravitational constant is given by G and R is the radius of earth and Me is the mass of…

Q: What is the magnitude of the gravitational force on the third mass?

A: Answers are written against Part .

Q: Give examples of a body falling under gravity from a height comparable to the Earth's radius.

A: Since the freely falling body fall during the first 5 seconds will fall 122.5 meters if there is no…

Q: Jules Verne in 1865 proposed sending men to the Moon by  ring a space capsule from a 220m long…

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Q: A 1.0 kg object is brought to planet Mercury where the acceleration due to gravity is 0.38 times its…

A: Variation of mass on different planets:

Q: When a person passes you on the street, you do not feel a gravitational tug. Explain.

A: The magnitude of Gravitational force between two bodies is given by the formula: F=Gm1m2r2 The value…

Q: A space station, in the form of a wheel 128 m in diameter, rotates to provide an "artificial…

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Q: Would the weight  of Rover be hogher or lower on the surface of the Earth.

A: A rover is a planetary surface exploration device designed to move across the solid surface on a…

Q: What would be the weight of 25 kg mass on a planet where the acceleration due to gravity is 10.2…

A: Weight = m×g Weight =25×10.2 Weight = 255 newton

Q: What would be the acceleration of gravity (in m/s2) at the surface of a world with three times…

A: When an object falls freely towards the Earth, then the acceleration with which if falls is called…

Q: A science-fiction tale describes an artificial “planet" in the form of a band completely encircling…

A: The expression for the angular velocity of planet is given as, ω=gR Substituting the values in the…

Q: determine the gravitational acceleration of the earth at an altitude of 6000km

A: Given : h=6000 km Required Gravitational acceleration of Earth at an altitude h: Known: Radius of…

Q: Does an apple exert a gravitational force on the Earth? If so, how large a force? Consider an apple…

A: According to the newton's law of gravitation, each and every object in the universe attracts each…

Q: The weight of a 1 kg mass at the surface of the earth is

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!