<span>Vibration waves from earth quakes travel through the earth and have measurable speed. And the different temperatures and fluidity of the various regions of the mantle will change that speed and or reflect the vibration waves in different directions. With multiple vibration sensors around the world the time that it takes for vibrations to travel from one part of the world to another will tell you what is inside.</span>
the formula for momentum is velocity times mass
car :
1200 x 30 = 36000
truck:
2000 x 20 = 40000
Ans : truck has a greater momentum
Answer:
D
Explanation:
Two plane mirrors are inclined at 70∘. A ray incident on one mirror at incidence angle θ after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of θ is. ∴(θ)=50∘.
Answer:
1. The field inside the shell is 0; TRUE
2. The field for r>R will be the same as a field for the point charge Q, at the origin: TRUE
3. only positive charges can be on the outside surface: FALSE (Negative can too!!!)
4. The field on the outside is perpendicular to the surface: TRUE
Explanation:
Producers get energy from the sun to make food from matter.
