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
nadya68 [22]
3 years ago
14

A machine has an efficiency of 60%. If the machine is required to overcome a load of 30N with a force of 20N, calculate its mech

anical advantage?​
Physics
1 answer:
skelet666 [1.2K]3 years ago
5 0

Explanation:

eff = m.a/ v.r

m.a = L /E

30/ 20

= 1. 5

You might be interested in
Jupiter is 5.2 times farther from the sun than Earth is. Find Jupiter’s orbital period in Earth years
anzhelika [568]
You can solve this using Kepler's 3rd law. T is proportional to r^1.5. T(J) = T(E)*5.2^1.5 = 11.86 years. 
<span>You can also solve it the hard way: Find M (sun's mass) and r(Jupiter's orbital radius) in m. Then use Kepler's equation T = 2pi*r^1.5/sqrt(GM).</span>
8 0
4 years ago
How would something make more energy in order to travel farther and faster
Darya [45]

Answer:

hit it harder

Explanation:

Endicott Kendrick

4 0
3 years ago
Make a list of petroleum products and mention their uses.
Maslowich
1) nose moisturizer
2)split end
3) hair conditioner
4) lubricant
5)dry skin. vasalene

gas
1) fuel 4 cars
2)fuel 4 homes

I'm sure not a full list, but hoping 2 help
5 0
3 years ago
John walked from his home to work, it took him 12 min and the distance covered was 3 km. calculate the average speed in m/s
Svetlanka [38]

Answer:

4.167

Explanation:

ittravels 4.167metres per second

8 0
2 years ago
Trisha is cold and puts on a sweater . in a few minutes she feels warmer why
andreyandreev [35.5K]
The heat from inside the jacket transfers heat to her body also known as conduction.
3 0
3 years ago
Other questions:
  • Height of a low earth orbit?
    8·2 answers
  • A circuit has a current of 3.6 A and a resistance of 5.0 Ω. What is the voltage applied to the circuit?
    6·2 answers
  • What is the force on a 15.5 kg ball that is falling freely due to the pull of gravity
    14·1 answer
  • Am I correct?? Will give brainliest
    11·2 answers
  • A jet airplane is in level flight. The mass of the airplane is m=8930 kg. The airplane travels at a constant speed around a circ
    5·1 answer
  • Establishing a potential difference The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 10
    8·2 answers
  • AQ5. What is a car’s speed in m/s if it travels: Remember to write the speed number WITH the correct unit.
    8·1 answer
  • HELP HELP HELP I WILL MARK AS BRAINLIEST
    13·2 answers
  • Plzzz help me will mark brilliant​
    11·1 answer
  • four objects are situated along the y axis as follows: a 2.00kg object is at +3.00m. a 3.00kg object is at +2.50m, a 2.50kg obje
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!