Using the Vis-viva equation, calculate the total orbital energy of the satellite Mars Express given that it weighs 750 kg and is an orbit about Mars of eccentricity e = 0.571, Periapsis radius of 3687.5 km, Apoapsis radius of 13, 496.5 km.

Q: The semimajor axis of mercury is 0.387 AU. Using Kepler's third law calculate its orbital period.

A: Kepler's law for planetary motion defines the motion of a planetary object around its primary…

Q: A space craft achieved a maximum speed of 125,000 km/h on its way to photograph Mars. Beyond what…

A: Hey dear using conservative of energy we can solve this easily

Q: If the semi-major axis, a, is measured in AU and the orbital period, p, is measured in years, then…

A: No, its too big.  We know Jupiter as like other planets rotates around sun. Although the Jupiter not…

Q: 8) Calculate the escape velocity Amazonia-1 needed to achieve so that it could orbit Earth at its…

A: v =2GMR where G is gravitational constant M is mass of Earth R is radius of Earth

Q: Calculate the maximum and minimum possible distances between Earth and Mars (hint: you need to…

A: Earth and Mars are two of the eight planets in the solar system. The Earth is the third planet from…

Q: A comet orbits a star with a highly eccentric elliptical orbit. At its nearest point, the comet is…

A: Given, Nearest speed, v1=78km/s Closest point, r1=0.3AU Farthest point, r2=14000AU Let the speed at…

Q: 8) When falling through the Martian atmosphere on its parachute (21.5m in diameter, making a circle…

A: Given data: Drag force or weight Fd=3800 N. Density of Martian atmosphere ρ=15 g/m3. Area of…

Q: Explain the tidal hypothesis.

A: The tidal hypothesis is one of the modern hypotheses of the origin of the earth and the solar…

Q: GM hat is the difference in orbital velocity between Saturn's two coorbital satellites if the…

A:

Q: What is the force of gravity between a keen physics student and Earth if the keen physics student is…

A:

Q: Saturn's moon Titan is observed to orbit with a period = 15.945 days and at a %3D distance =…

A:

Q: The radius of the Earth's orbit is 1.50  1011 m and that of Mars is 2.28  1011 m. The star that this…

A: The expression for the orbital period,

Q: What is the mass of this planet if provided the orbital period and radius of one of its moon?…

A:

Q: What is the mass of this planet if provided the orbital period and radius of one of its moon?…

A: Given: The period of the moon is 0.498179 days. The radius of the orbit is 181300 km.

Q: (a) A reasonably accurate value for the AU is 1.50 × 101 m. If the year is a × 107 s, (2) (a good…

A: The distance between the earth and sun is equal to 1 AULet r=1.5×1011 m=1.5×108 km The time taken by…

Q: The figure on the right shows a portion of the ring and moon system of Saturn. The inner edge of the…

A: Required :    Semimajor axis of the inner edge of the Cassini division in km.

Q: Calculate the gravitational field strength on a planet with a diameter of 15487.3 km and the escape…

A:

Q: What would be the period of a (hypothetical) solar-system planet whose orbit has a semimajor axis of…

A: According to Kepler's third law the relation between time period and length of semi major axis is…

Q: ertain planet has an escape speed 10.2 km/s and a mass M. nother planet of the same size, has a mass…

A: escape velocity =(2GM/R)1/2

Q: Scientists at NASA announced the discovery of a new solar system containing four planets. The…

A: The orbital period is dependent on the distance between the sun and the planet. With the help of the…

Q: 20. The distance between two asteroids is 1500 km, how long does it take a light signal to travel…

A: The answer to the given question is as follows.

Q: An asteroid is spotted from earth moving in a parabolic path with earth as the focus. When the line…

A:

Q: The region between Mars and Jupiter, where asteroids lie, extends from 1.52-5.20 AU from the Sun. To…

A:

Q: What would be the gravitational pull of the moon on an astronaut with a total mass of 125kg with a…

A: Given data:  Mass of astronaut (m) = 125 kg Diameter of the moon (d) = 3474 km Mass of the moon (M)…

Q: E Native American mascots - hor x SI Course Modules: AST 111: Intro x A Ch 21: Venus and Mars - AST…

A: The time period of  Magellan orbiter is given as, TM = 3.26 hrs The mass of Venus is given as MV =…

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: In the Tsiolkovsky's equation, the parameter “delta v”, could I use “delta v”as “v” in the equation…

A: in the Tsiolkovsky's equation and  in equation Find:Are  and  represents the same quantity or not?If…

Q: Between mars and Jupiter the asteroid ceres orbits the sun at an average radius of 2.766 AU. Use…

A: Given:Average radius of the orbit, a = 2.766 AUAsked:Calculate time taken by Ceres to complete 1…

Q: You have a pendulum that is 2.0 m long and has a period of 2.98 s. What planet are you on? If the…

A: The value of g is different for different planets

Q: You land on a strange spherical planet X. As a curious physicist, you set out to make the following…

A: Given, Flight time of an object on planet X is 8 seconds and circumference is 250,000 km

Q: Calculate the escape velocity to an orbit of 393 km height from a planet with the radius of 2000 km…

A: Mass of object =393kg Radius =2000km Density =3400 kg.m-3

Q: A spacecraft is in a 400 km by 800 km elliptical orbit and must transfer to a 16,000 km by 25,000 km…

A: Ans: a) 4.08km/s        b) 3.15 km/s       c) the answer will be same if we reverse the orbits.

Q: The largest body in our solar system is O Earth O Jupiter O The Sun O The Moon

A: Sun is largest body in our solar system

Q: Eccentricity for Mars is 094 and semi major axis "a" is 227,9 10" Km; Calculate the perihelion and…

A:

Q: At its closest approach to Earth, Mars is 57.50 million kilometers away. How long (in minutes) would…

A: