Home › NEET UG › physics › c11phy_grav_satellites › Per NCERT Example 7.5, the period of Mars' orbit…
Per NCERT Example 7.5, the period of Mars' orbit (orbit radius 1.52 × Earth's) is approximately which?
A1000 days
B684 days
C247 days
D365 days
Answer & Solution
Correct answer: B. 684 days
NCERT Ex 7.5(ii): T_M/T_E = (1.52)^(3/2) ⇒ T_M = 1.87 × 365 ≈ 684 days.
Related questions
Per NCERT §7.9, the orbital speed v of a satellite scales with orbital radius r as which?Per NCERT §7.9 + Example 7.7, for the Moon's orbit (R ≈ 3.84 × 10⁵ km), the time period coPer NCERT Example 7.8, energy required to move a satellite from a circular orbit at 2R_E tPer NCERT §7.9 (geostationary satellite, not stated but standard), the orbital period of aPer NCERT §7.10, the relationship between total energy E and PE of an orbiting satellite iPer NCERT §7.10 eqn 7.42, the TOTAL mechanical energy of an orbiting satellite is which?Per NCERT §7.10 eqn 7.41, the potential energy of an orbiting satellite at distance (R+h) Per NCERT §7.10 eqn 7.40, the kinetic energy of an orbiting satellite of mass m at distanc