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
julia-pushkina [17]
2 years ago
12

Two force of 20N and 40N act at a

Physics
1 answer:
Gala2k [10]2 years ago
7 0

R=√20²+40²+2.20.40 cos 50

R=55 N

R/sin β = F/sin α

55/sin 50 = 40/sin α

α = 33°

You might be interested in
What is the meaning of <br> insanity is relative
Luba_88 [7]

Answer:

“Insanity is relative. It depends on who has who locked in what cage.” R.D. Laing: “Insanity – a perfectly rational adjustment to an insane world.” Nora Ephron: “Insane people are always sure that they are fine. It is only the sane people who are willing to admit that they are crazy.”Sep 20, 2012

Explanation:

6 0
2 years ago
How much potintial energy is in a closed system where the height of the object is 2 m, and the mass is 10 kg?
Lorico [155]

Answer:

D. 196 J

Explanation:

PE=mgh=10×9.8×2=196J

6 0
2 years ago
Read 2 more answers
The graph in the figure shows the variation of the electric potential V(x) (in arbitrary units) as a function of the position x
dmitriy555 [2]
The best and most correct answer among the choices provided by your question is the second choice or letter b.

Ex is negative from x = -2 to x = 0, and positive from x = 0 to x = 2 <span>correctly describes the orientation of the x-component of the electric field along the x-axis.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
7 0
3 years ago
A cell membrane consists of an inner and outer wall separated by a distance of approximately 10nm. Assume that the walls act lik
Nina [5.8K]

Answer:

1 × 10⁶ N/C

Explanation:

The magnitude of the electric field between the membrane = surface density / permittivity of free space = 10 ⁻⁵C/ m² / (8.85 × 10⁻¹²N⁻¹m⁻²C²) = 1.13 × 10⁶ N/C approx 1 × 10⁶ N/C

4 0
3 years ago
When an electron is added to a neutral atom of an element to form a negative ion, the resulting change in energy is referred to
IgorLugansk [536]
The statement "<span>When an electron is added to a neutral atom of an element to form a negative ion, the resulting change in energy is referred to as the electron potential of that element." is false. 


Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
</span>
4 0
3 years ago
Other questions:
  • Which description best matches the image below of a hand that is using the right-hand palm rule?
    14·1 answer
  • The maximum energy a bone can absorb without breaking is surprisingly small. Experimental data show that both leg bones, togethe
    5·1 answer
  • The car salesman tells you that the car can go from a stop position to 60 mph in six seconds is giving you the car’s rate of
    8·1 answer
  • When the skater starts 7 mm above the ground, how does the speed of the skater at the bottom of the track compare to the speed o
    11·1 answer
  • Name some differences between a motor and an electromagnet
    11·1 answer
  • In our usual coordinate system( +x to the right, +y up (away from the center of the Earth), +z out of the page toward you), what
    15·1 answer
  • Which of the following is true about inertia
    5·1 answer
  • 9.
    9·1 answer
  • A car is traveling at a constant speed of 40 m/s. When the driver accelerates, the car reaches a speed of 80 m/s in 6 seconds. W
    10·1 answer
  • Which is an example of sliding friction? (1 point)
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!