Why do scientists look for asteroids that might strike our planet?

Answers

Answer 1

Answer: to warn the people that are going to be affected by it, for evacuations and such

Answer 2

Answer: a collision might cause an asteroid to break up and they need to let people know so that no one gets hurt .

Related Questions

A person with a mass of 15kg is walking uphill at a velocity of2m/s. What is the walker's momentum?
What is the amount of space occupied by an object?
A box measures 20cm by 10cm by 5cm
MATCH THESE ^-^Match Newton's law with the correct statement.1. law of universal gravitation 2. 1st law of motion (law of inertia)3. 2nd law of motion 4. 3rd law of motion -------------------------------------------------------------------------------------------------------A. "My coffee spilled all over because you slammed on your brakes!" B."The box of cotton is much easier to lift than the box of books." C. "That bat hurt my hands when I hit the ball!" D. "I can't hit the ball farther than you because you're stronger than I am."
I was an American inventor and businessman who is best known for inventing the electric light bulb. Who am I?

All of the following could be considered reconstruction except A: scientists assume an area was once undersea due to the types of rock deposits
B: scientists assume an animal was a meat eater because of the teeth in its fossil C: scientists assume an animal could climb trees because of its hand structure D:scientists predict a volcano will erupt in the near future because of current volcanic activity

Answers

The first three choices: a, b and c can be considered reconstruction except the last one which is letter d. I'm not really certain what reconstruction is, but judging from the patterns of the first three choices, reconstruction could mean that an inference is made after a part of an event has proved that event to be true.

John and Daniel are playing tug-of-war together. John is exerting 10 N of force. Daniel is exerting 12 N of force. What is their net force

Answers

We assume that they're pulling in opposite directions ...
that's how this game works.

Daniel completely cancels out John's whole 10N, and he
still has 2N left over.

The NET force on the rope is 2N in the direction of Daniel.
So the rope accelerates in Daniel's direction.

an unbalanced force moving everyone in Daniel and Maria's direction

Convert planks constant in cgs system

Answers

in cgs system, plank's constant= h=6.626 x10⁻²⁶ erg s

Value of Plank's constant in SI system= 6.626 x10⁻³⁴ Js

now 1 Joule= 10⁷ ergs

so h= 6.626 x10⁻³⁴ Js (10⁷ ergs/1J)

h=6.626 x10⁻²⁷ erg s

Why have no rocks from Earth's time of formation been found on Earth?

Answers

Answer & Explanation:

This age may represent the age of the Earth's accretion, of core formation, or of the material from which the Earth formed. This dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

Which change is the best example of a physical change?1) a cookie baking
2) paper burning
3) ice cream melting
4) a nail rusting

Answers

The answer would be a nail rusting, but really it could be any of these.

Answer: 3

Explanation:

What are some physical properties of a star

Answers

Distance, how much energy generated in the star, size, temp, brightness

1. Apparent magnitude
2. Colur Index
3. Annual parallax/variation period if it is Cepheid variable/Red Shift
4. Radial Velocity & Tangential Velocity
Other quantities are derived from the above basic observational data.

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Is this statement true or false?Hurricanes are classified by three stages in which updrafts of air billow up, updrafts and downdrafts swirl the wind up and down, then downdrafts cause clouds to come apart.

Which tool would you use to measure the height of a cube of metal

What is the purpose of zigzag line on a periodic table ?

A cat lifting a barbell of 2.5 kg a distance of 3 meters. How much work is done lifting the barbell? How much work is done if the cat holds the barbell over his head for 3 minutes?