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
WARRIOR [948]
3 years ago
12

What is the main reason why people use machines

Physics
2 answers:
Butoxors [25]3 years ago
5 0

Answer:

Machines are faster and more efficent

Explanation:

vova2212 [387]3 years ago
3 0

Answer: Machines makes work easier and save some time and is very fast. For example, an elder can't walk or stand very long, so people made a motorized wheelchair!

Explanation:

You might be interested in
If a stone dropped into a well reaches the water's surface after 3.0 seconds, how far did the stone drop before hitting the wate
pogonyaev
Let h =  distance (m) to the water surface.

Initial velocity, u  = 0 (because the stone was dropped).
Use the formula
 h = ut + (1/2)gt^2
  where g = 9.8 m/s^2  (acc. due to graity)
              t = time (s)

h = (1/2)*(9.8)*(3^2) = 44.1 m
8 0
3 years ago
A projectile of mass 0.2 kg and an initial velocity of 50 m/s collides with the end of a blade attached to a turbine. The rotati
fgiga [73]

Answer:

5.5 rad/sec

Explanation:

8 0
3 years ago
Anyone going to be my friend
Artemon [7]

Explanation:

I'd love to but we cant talk right now cause its 12:22 am here and I'm gonna sleep now lol.

but let's follow each other.

who knows we might be able to help each other.

whaddya say?

have a good day ♡

5 0
2 years ago
Fusion and fission are both processes that involve which fundamental force? to ask? A. gravitational B. weak nuclear C. electrom
marin [14]
Fusion & Fission are both processes that involve D. Strong Nuclear Fundamental forces
"D". is the answer
5 0
3 years ago
Make a free-body diagram of someone pushing a refrigerator that shows:
adoni [48]

Answer:

head fah ueah ik

Explanation:

5 0
3 years ago
Other questions:
  • A rectangular block has dimensions 2.9 cm x 3.5 cm x 10.0 cm. the mass of the block is 615.0 g. what is the volume and density o
    13·1 answer
  • If a 5 Kg ball is attached to the end of a string, and it has a velocity of 10 m/s, what is the centripetal acceleration if the
    7·1 answer
  • PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
    7·2 answers
  • Steam at 400C has a specific volume of 0.02m3/kg. Determine the pressure of the steam based on a) the ideal gas equation b) the
    14·1 answer
  • Gave the examples of Civil law​
    10·2 answers
  • I need help with question ii) Calculate the speed of these radio waves.
    6·1 answer
  • Velocity of a body in circular or curved path is variable why give reason<br>only<br>​
    7·1 answer
  • Respostas <br> 100 J<br> 200 J<br> 300 J<br> 400 J<br> 500 J
    13·2 answers
  • Transforma las siguientes unidades utilizando factores de conversión (no vale poner el número solo) a. 85 atm a mmHg b. 60 Pa a
    13·1 answer
  • Which level of protein structure is formed by the weak bonds between oxygen and hydrogen atoms within the polypeptide backbone.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!