Incomplete question.The complete one is here
Spacecraft have been sent to Mars in recent years. Mars is smaller than Earth and has correspondingly weaker surface gravity. On Mars, the free-fall acceleration is only 3.8m/s2. What is the orbital period of a spacecraft in a low orbit near the surface of Mars?
Answer:
Explanation:
Given
To find
orbital period of a spacecraft T
Solution
An the initial calculating is computing the angular velocity of satellite :
Computing T
Answer:
The illumination on the book before the lamp is moved is 9 times the illumination after the lamp is moved.
Explanation:
The distance of the book before the lamp is moved,
The distance of the book after the lamp is moved,
Illumination can be given by the formula,
Illumination before the lamp is moved,
Illumination after the lamp is moved,
The illumination on the book before the lamp is moved is 9 times the illumination after the lamp is moved.
Answer:
yes because if the speed/K.E. of body increases the friction will also apply more instantly
Hello! The 7 inches on a blueprint represents the actual length of 38.5 feet. To find the scale on the blueprint, let's divide the actual length by the amount of inches on the blue print. 38.5 / 7 is 5.5. There. 1 in = 5.5 ft.