Answer : A. It decreases and then increases.
Explanation : Troposphere is the lowermost layer of atmosphere.
Stratosphere is next layer up to the troposphere. As the jet descends from stratosphere towards the troposphere, the temperature initially decreases and then at troposphere is roughly constant and then steadily increases.
So, option (A) is correct.
I think it may be C. Good luck
Answer:
Antinode
Explanation:
The antinode is a point along the wave that has the greatest maximum velocity in the y-direction.
Answer:
The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune
Explanation:
We know that the ball falls under the influence of gravity. Hence, we can assume that its motion is with constant acceleration and it is in a line.
The equation for this kind of motion is:
where s is the distance and g is the acceleration. Since we know that for t=2 sec, s=60m, we can find the acceleration g. Substituting, we get: 60= g*(1/2)*2*2 hence g=30m/s^2 (these are the units of acceleration).
Now, we need to find the time in which the ball drops 120 m. So we substitute s=120m and we know the acceleration. We get then:
120=30/2 *t^2.
Hence, solving for t^2, 240/30=t^2, t^2=8. We get that t=
.
It is interesting to notice, that while the distance has doubled, the time has not; the time has only gotten larger by a factor of 1.4