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
Dmitrij [34]
3 years ago
7

What are the invisible forces of nature

Physics
2 answers:
anyanavicka [17]3 years ago
5 0

Answer:

gravity friction air resistant are a few

Tems11 [23]3 years ago
3 0

Answer:

Gravity, Friction, Air resistance, magnetism, static electricity

Explanation:

You might be interested in
There is the more role of the moon than the sun to occur tides in the oceans,why?
Nana76 [90]

Answer:

The ocean tides on earth are caused by both the moon's gravity and the sun's gravity. ... Even though the sun is much more massive and therefore has stronger overall gravity than the moon, the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun.

8 0
2 years ago
(HELP!! 10pts) a train travels 75km in 1hr, and then 68km in 2hrs. what is its average speed?
blondinia [14]
Average speed = total distance travelled ÷ total time taken

AS = (75km + 68km) ÷ (1hr + 2hr)

As = 143km ÷ 3hr

AS = 47.66667 km/hr

AS = 47.7 km/hr (3sf)
8 0
3 years ago
⚠️Pls help me this is due soon!⚠️
nika2105 [10]

professional is the answer

3rd

6 0
3 years ago
What is the difference between folk dance and ballroom dance
disa [49]

Answer:

folk dancing is old music and ball room is young dancing

7 0
3 years ago
Planet a and planet b are in circular orbits around a distant star. planet a is 7.8 times farther from the star than is planet
gogolik [260]
To find the ratio of planetary speeds Va/Vb we need the orbital velocity formula: 

V=√({G*M}/R), where G is the gravitational constant, M is the mass of the distant star and R is the distance of the planet from the star it is orbiting. 

So Va/Vb=[√( {G*M}/Ra) ] / [√( {G*M}/Rb) ], in our case Ra = 7.8*Rb 

Va/Vb=[ √( {G*M}/{7.8*Rb} ) ]  / [√( {G*M}/Rb )], we put everything under one square root by the rule: (√a) / (√b) = √(a/b) 

Va/Vb=√ [ { (G*M)/(7.8*Rb) } / { (G*M)/(Rb) } ], when we cancel out G, M and Rb we get:

Va/Vb=√(1/7.8)/(1/1)=√(1/7.8)=0.358 so the ratio of Va/Vb = 0.358.  
6 0
3 years ago
Other questions:
  • Which of the following is a chemical equation that accurately represents what happens when sulfur and oxygen react to form sulfu
    7·1 answer
  • Calculate the force of gravity on the 1.2-kg mass if it were 1.9×107 m above earth's surface (that is, if it were four earth rad
    9·1 answer
  • Which type of plate boundary led yo the creation of the himalayan mountains,the Highest in the world, near India?
    9·1 answer
  • Chemical formulawhat is the chemical formula ​
    6·2 answers
  • Unit 5 lesson 7 physical science 12 question
    11·1 answer
  • A 20-kg block is held at rest on the inclined slope by a peg. A 2-kg pendulum starts at rest in a horizontal position when it is
    7·1 answer
  • A brick of gold is 0.1 m wide, 0.1 m high, and 0.2 m long. The density of gold is 19,300 kg/m3. What pressure does the brick exe
    15·1 answer
  • Please help me plsss!​
    11·1 answer
  • Two similar pyramids have base areas of 12.2 cm2 and 16 cm2. the surface area of the larger pyramid is 56 cm2. what is the surfa
    13·2 answers
  • When a solid object is dropped
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!