Examlex
During a lunar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Earth between the Moon and the Sun. The Moon has a mass of 7.36 × 1022 kg; the Earth has a mass of 5.98 × 1024 kg; and the Sun has a mass of 1.99 × 1030 kg. The separation between the Moon and the Earth is given by 3.84 × 108 m; the separation between the Earth and the Sun is given by 1.496 × 1011 m.
(a) Calculate the force exerted on the Earth by the Moon.
(b) Calculate the force exerted on the Earth by the Sun.
(c) Calculate the net force exerted on the Earth by the Moon and the Sun.
Q2: Convection can occur<br>A) only in solids.<br>B) only
Q3: In simple harmonic motion, the speed is
Q4: Three masses are positioned at the following
Q7: Neglecting air resistance, when you toss a
Q46: A boat loaded with ice is floating
Q48: Consider three drinking glasses. All three have
Q48: Two inclined planes A and B have
Q71: Refer to Figure 8-7. What is the
Q79: An air track cart with mass m
Q84: State Kepler's First Law of Orbital Motion