Apollo astronaut David Scott dropped a hammer and a feather together on the moon , and both reached the ground at the same time . What are two distinct advantages that this experiment on the Moon had over the same kind of experiment as performed by Galileo on earth ?

Q: What is Kepler's first law of planetary motion? The period of a planet's orbit is proportional to…

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Q: An astronaut is standing on the moon. If the gravitational force exerted by the Moon on the…

A: Solution:-

Q: The Apollo 11 and 12 missions brought back different types of lunar rocks, available to see at the…

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Q: If a satellite circulate around the earth at a height of 2,317.84 km above the earth's surface,…

A: This question is based on gravitation and third law of Kepler Law for planetry motion.

Q: Two objects feel a gravitational force of 948 N when separated by a distance of 7x106.46 meters.…

A: Given Data: Gravitational force Fg=948 N Distance r=7×106.46 m Mass of the first object m1=2.63×1024…

Q: Combining the circular motion with Newton's Universal Gravitation Law, we have the following…

A: From Newton’s gravitational law and a circular motion the velocity be given as,…

Q: Who was the first African American woman to become an astronaut?

A: Mae Carol Jemison is an American engineer, physician, and former NASA astronaut. She became the…

Q: What relationship between distance traveled and time did Galileo discover for accelerating objects?

A: Galileo discovered experimentally that the distance (s) travelled by the falling object under the…

Q: How did Newton come up with the idea that the moon is actually "falling" toward the Earth.

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Q: Weight is mass times the acceleration of gravity. If an individual weighs 166 pounds on Earth, how…

A: Given : Weighs on earth is 166 pounds

Q: First thing astronauts will do when they land on Mars is to ___________ machinery they have been…

A: Given: First thing astronauts will do when they land on Mars is to ___________ machinery they have…

Q: Suppose that a comet that was seen in 502 A.D. by Chinese astronomers was spotted again in year…

A: The period of the comet is the time it takes for the comet to complete one orbit around the Sun. In…

Q: What is the weight of the rock with a mass of 15 kg on Mars (3.7 N/kg)?

A: Write the given values of the problem- mass(m) m=15 kg mars(g) g=3.7 Nkg

Q: The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress.…

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Q: Newton showed that the periods and distances in Kepler’s third law depend on the masses of the…

A: We know that Kepler's 3rd Law: The square of the period(T) of a planet's orbit is proportional to…

Q: Use Kepler's third law, as modified by Newton, to calculate the mass of the Earth and Moon in units…

A: In this question we have to find the the mass of the Earth and Moon in units of Sun's mass. Please…

Q: Does Newton’s second law of motion still holds even in the moon or in Mars? Present your data.

A: Newton's second law of motion states that the time rate of change of momentum on an object is equal…

Q: Provide real-life applications of the three types of motions ( Projectile, Horizontal, Vertical)…

A: Aristotelian Theory Projectile: Use of cannon in war. Tennis ball Machine. Cricket bat forced on…

Q: Which of Kepler's law can be used to estimate the mass of a distant star system based on the period…

A: Please see the answer in step 2.

Q: An astronaut, with her space-suit, has a mass 80 kg. The gravitational field strength on the Moon is…

A: Concept:We know the weight of the person on the surface of the planet where the gravitational field…

Q: Gravitational Force According to Newton’s Law of UniversalGravitation, the attractive force F…

A: Given: The mass of the earth (ME) is 5.9742×1024 Kg. The mass of the moon (Mm) is 7.349×1022 Kg. The…

Q: Which requires more fuel: a rocket going from Earth to the Moon or a rocket returning from the Moon…

A: Planet having greater gravitational acceleration requires more work  to get out of its gravitational…

Q: What relationship between distance travelled and time did Galileo discover for accelerating objects?

A: He discovered distance travelled is proportional to the square of the time.

Q: How much distance is Mars from the Earth?

A: Distances in space is very large and can be expressed in the unit of Light Year. Since, it is known…

Q: On the Moon, astronauts experienced gravity which is less than they had known on Earth. Moon's mass…

A: The mass of the moon is given to be 0.012 times the mass of the earth, while the radius is 0.27…

Q: Calculate the weight of a 5 kg object on Mars (g=3.8 m/s/s) using the equation FW=mg.

A: Given equations, F=mg

Q: Who is Galileo Galilei and what is his contribution on Physics?

A: Galileo Galilei is a physicist, mathematician and astronomer from Pisa, Tuscany. He is the eldest of…

Q: Newton viewed the curving of the path of a planet as being caused by a force acting upon the planet.…

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Q: Weight is mass times the acceleration of gravity. If an individual weighs 134 pounds on Earth, how…

A: Given: The weight of the object on the Earth is 134 pounds. The acceleration due to gravity on…

Q: The Hope probe on its journey to Mars took a 7-month period, during which it traveled an estimated…

A: Given information: The distance covered hope probe in 7-month period (d) = 493 million km = 493×106…

Q: Use Kepler's 3rd law to find the orbital periods (assume circular orbits) for the inner planets…

A: Kepler's third law, also known as the law of harmonies, relates the orbital period (T) of a planet…

Q: Suppose the moon of a planet has a mass of 1/93th the mass of the planet it is orbiting (note: the…

A: According to Newton's third law of motion, Magnitude of Force applied by moon to the planet =…

Q: Motion-related questions are fascinating in and of themselves: How long will a space probe take to…

A: There are 2 different parts to this question. As per our policy, we will answer the first part.…

Q: A large planet with a mass of 3.4e25 kg has a moon with a mass of 1.5e23 kg. If the moon orbits the…

A: Given data:  Mass of planet (m1 ) = 3.4×1025 kg Mass of moon (m2 ) = 1.5×1023 kg Radius (R) =…

Q: Reliability refers to how reliable a research instrument is. For example, a weighed scale that shows…

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Q: Consider a situation wherein an exploration vehicle that has a mass of 250 kilogram on Earth (…

A: Given

Q: How the observations from the moons of the Mars can be used to determine the mass of the Mars.

A: Given: Planet Mars and satellite moon. To find: How to find mass of mars using measurements from…

Q: When NASA new horizons found that Plutos moon Charon orbits Pluto every 7.9 days at an average…

A: Required : The average mass of Pluto and Charon.

Q: Given: Distance of Venus to sun is 1.08×1011 m and the distance of mars to sun is 2.3x1011 m (688…

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Q: What is your weight 600 km above the surface of Venus, assuming that the acceleration due to gravity…

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Q: Object A weighs twice as much as object B at the same spot on the earth. Would the same be true at a…

A: This problem can be solved using the concept of weight dependency on mass and acceleration due to…