What is the time period and length of a second pendulum on Moon?

Q: If you were ascending from the surface of Earth to the top of the atmosphere, which one of the…

A: Barometer is the device used to measure atmospheric pressure. When we ascend from the surface of the…

Q: why planet Mercury shows a precession in its perihelion?

A:

Q: On the surface of the moon where local gravity is 1.67 m/s², 4.4 kg of gas occupy a volume of 1.2…

A:

Q: Radius of half -period zone?

A:

Q: What is the magnitude of the tidal field of the Earth at a distance equal to the Earth-Moon…

A:

Q: Choose the best answer to the following: Atmospheric pressure is due to the weight (a) of the…

A: Atmospheric pressure is the force per unit area applied against a surface by the weight of the air…

Q: How do centripetal forces and gravitation forces interact to produce the tides?

A: How do centripetal forces and gravitation forces interact to produce the tides?

Q: The Moon has no sustained atmosphere. What advantages would you have if you built an observatory on…

A: The most advantageous thing about not having an atmosphere from observational point of view, is that…

Q: . An astronaut has a mass of 68 kg, what is the weight of the astronaut on earth at sea level? What…

A:

Q: Q4. (i) Sketch the following positions of the Moon and the Earth. a) New Moon b) First Quarterly c)…

A: (i) Position of the moon and the Earth

Q: 4) If you take Torricelli's barometer to the surface of Mars, what will L (height of the mercury…

A: The acceleration due to gravity on Mars surface is 3.7 m/s^2 .  Atmospheric pressure on Mars = 6.518…

Q: When do neap tides occur?

A: Tides are formed due to the gravitational pull of the moon and the sun as these bodies interact with…

Q: The total mass of this planet's atmosphere may be higher than the Earth's but the gases present must…

A: Is the escaping velocity  for this planet greater or lower than that of the earth?

Q: Calculate the escape velocity of the Moon from its mass and diameter.

A: ve=2Gmrve=2Gmd2ve=4GmdThe escape velocity is,

Q: It is a pair of a crest and a trough. O frequency O wavelength O speed O cycle

A: A Option 2 is correct Wavelength is the correct answer  The highest surface part of a wave is called…

Q: Why is Moon described as a 'silent planet'?

A:

Q: Why are all tides greatest at the time of a full Moon or new Moon?

A: The tides are formed because of the gravitational pull between the moon and the Earth At the time of…

Q: Why tides occur in Earth's crust and in Earth's atmosphere.

A:

Q: A new Terrestrial planet has been discovered orbiting a nearby Sun-like star. Astronomers have…

A: Answer :-       It is clear from the question that the planet is very abundant in oxygen (as one co2…

Q: Why does a small mercury drop assume a spherical shape?

A: Small mercury drops assume a spherical shape is due to surface tension.

Q: Diwata-1 is first Philippine microsatellite and the first satellite built and designed by Filipinos.…

A:

Q: What do you mean by oscillations?

A: When a system is in stable equilibrium and it is slightly disturbed from its position, the system…

Q: Vo Yma

A: The solution can be given as follows :-

Q: What is Lunar projectile motion?

A: Let's describe Lunar projectile motion. Lunar projectile motion is a projectile motion (which we…

Q: The total mass of this planet's atmosphere may be higher than the Earth's but the gases present must…

A: Would the atmosphere for this planet be thicker or thinner than that of the Earth?

Q: uppose astronauts on the first trip to Mars bring along a pendulum whose period on Earth is 1.50 s.…

A:

Q: surface of the alien planet. Assume the planet has a negligible atmosphere. (Enter the magnitude in…

A: Given: Height of the counter, h = 1.24 m Distance between the base of the counter and the floor, x =…

Q: Why is there no atmosphere on moon?

A: The moon does not have an atmosphere.

Q: If you were an observer on Mars looking at the earth through a telescope would you see the earth…

A: To find: If you were an observer on Mars looking at the earth through a telescope would you see…

Q: What is the height of mercury level in a barometer which is set up in a sealed cabin on the moon…

A:

Q: What is the weight of the 70 kg object on th surface of moon?

A: We know that the acceleration of gravity on the moon's surface is 1/6 of the acceleration of gravity…

Q: A pendulum has a period of 5.8 s.  If you were to transfer this pendulum to the surface of Mars…

A:

Q: Explain phenomenon of Advance sunrise and delayed sunset.

A:

Q: Why do Moon travellers tie heavy weight on their backs before landing on the Moon?

A: Acceleration due to gravity of the moon is one-sixth of the acceleration due to the gravity of the…

Q: Water waves whose crests are 6 m apart reach the shore every 1.3 s. Find the speed of the waves in…

A: Speed of a wave is given by the formula: v=fλwhere, f is frequency            λ is wavelength of…

Q: Describe the differences between spring and neap tides. What are the physical reasons that cause…

A: As the sun, earth and moon are all aligned (full moon or new moon), combined pull on earth due to…

Q: explain how the movement of a Foucault pendulum demonstrates the Earth’s rotation

A: Foucault's pendulum

Q: The distance of Earth from the sun is one-fifth that of Jupiter’s. Find the ratio of the intensity…

A:

Q: Assume that a planet will have lost its initial atmosphere by the present time if the average…

A: The average speed of the molecules is v=3kTm Mass of nitrogen molecule m=28 amu1.66054×10-27kg1…

Q: What is the height and diameter of the solid cylinder shown in the images?

A: To calculate the length using a vernier calliper we will need to firstly observe the reading of the…

Q: Explain Comets?

A: Comets are basically snowballs. Comets are orbiting around the sun. Comets are made up of ices which…