1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
RideAnS [48]
3 years ago
6

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

Physics
2 answers:
koban [17]3 years ago
7 0
To warn the people that are going to be affected by it, for evacuations and such
Ksenya-84 [330]3 years ago
5 0
A collision might cause an asteroid to break up and they need to let people know so that no one gets hurt .
You might be interested in
3. According to Hund's rule, what's the expected magnetic behavior of vanadium (V)?
ivanzaharov [21]

Answer:

Diamagnetic

Explanation:

Hunds rule states that electrons occupy each orbital singly first before pairing takes place in degenerate orbitals. This implies that the most stable arrangement of electrons in an orbital is one in which there is the greatest number of parallel spins(unpaired electrons).

For vanadium V ion, there are 18 electrons which will be arranged as follows;

1s2 2s2 2p6 3s2 3p6.

All the electrons present are spin paired hence the ion is expected to be diamagnetic.

6 0
3 years ago
What is a disadvantage of using moving water to produce electricity
klemol [59]
Most of the time the towns get flooded and many people die and lose their homes and their jobs, businesses by the floods and the natural environment is destroyed ,air pollution is produced, the ecosystem could be disrupted and dams are known to fall over and dams are really expensive to build, The dams also cause geological damage, example earthquakes and spills happen.
4 0
3 years ago
Mass of block A above is 25-kg. Calculate the force of gravity on block A.
stiv31 [10]

Answer:w+mg

Explanation:

4 0
3 years ago
Can someone please help me ASAP!
Artist 52 [7]
I’m not 100% sure but i think it’s A because if you divide the speed by the time you get 2 and also all the other answer choices don’t make any sense!
3 0
3 years ago
When an average force F is exerted over a certain distance on a shopping cart of mass m, its kinetic energy increases by 12mv2.
VMariaS [17]

Answer:

A)d=\dfrac{1}{2F}mv^2

B)\Delta KE'=2\times \dfrac{1}{2}mv^2

Explanation:

Given that

Force  = F

Increase in Kinetic energy = \dfrac{1}{2}mv^2

\Delta KE=\dfrac{1}{2}mv^2

we know that

Work done by all the forces =change in the kinetic energy

a)

Lets distance = d

We know work done by force F

W= F .d

F.d=ΔKE

F.d=\dfrac{1}{2}mv^2

d=\dfrac{1}{2F}mv^2

b)

If the force become twice

F' = 2 F

F'.d=ΔKE'

2 F .d = ΔKE'                          ( F.d =Δ KE)

2ΔKE = ΔKE'

\Delta KE'=2\times \dfrac{1}{2}mv^2

Therefore the final kinetic energy will become the twice if the force become twice.

8 0
3 years ago
Other questions:
  • Soundproof rooms take advantage of which property of waves
    7·2 answers
  • What happen when a star dies?
    13·1 answer
  • Which material would be best to use for heating up food
    15·2 answers
  • A crane lifts a 1,750 kg mass using a steel cable whose mass per unit length is 0.88 kg/m. What is the speed of transverse waves
    5·1 answer
  • Does a rolling basketball have kinetic energy
    6·2 answers
  • An object with a mass of 70 kilograms is supported at a height 8 meters above the ground. What's the potential energy of the obj
    14·1 answer
  • Which of the following are likely to form a covalent bond?
    15·2 answers
  • Does mass change when volume does
    11·1 answer
  • MEASUREMENT
    12·1 answer
  • Sound intensity, I, from a spherical source is a function of the distance, r, from the source of the sound. It is represented by
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!