Answer:
Because winding roads have a gentle slope on hills, so it's easy to climb it than a steepy.
Answer:
1. Least massive stars are the coolest and least luminous, lower right of main sequence, on HR diagram.
2. Most massive are the hottest and most luminous, upper left of main sequence on Hr Diagram.
3. The radius of stars are related to their sprectral type. having the O being the hottest upper left and M being the coolest bottom right.
The force of gravity is the only force that keeps a pendulum in motion. both the force increases the speed of the pendulum on the downswing and decreases it's speed on its upswing.
Answer:
Explanation:
Mass of the helium gas filled inside the volume of balloon is given as
now total mass of balloon + helium inside balloon is given as
now we know that total weight of balloon + cargo = buoyancy force on the balloon
so we will have
