Answer:
495m
Explanation:
ANSWER
u
stone
=10m/s (initial velocity of stone)
t=11s
∴H=−ut+
2
1
gt
2
(H=height of baloon)
H=−10×11+
2
1
×10×121=605−110=495m
It is false that scientific advances have led to decreased energy efficiency and waste reduction.
Answer:
(See explanation for further information)
Explanation:
a) The distances of each planet with respect to the Sun is:
Mercury - 
Venus - 
Earth - 
Mars - 
Jupiter - 
Saturn - 
Uranus - 
Neptune - 
b) The solutions are presented below:
A. The distance between Venus and Jupiter is:


B. The combined distance from the Sun is:


Which is less than the distance from the Sun to Neptune (
).
C. The new distance of Earth is
(
). Saturn would be the closest planet to Earth, whose distance:
Scientific notation:


Standard notation:


Answer:
Answer: 18.3 km/s
Explanation:
If a satellite in Molniya orbit has an apogee at 48.000 km as measured from the center of Earth, and a velocity of 3.7 km/s. Its velocity in at perigee would be 18.3 km/s.