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
Svetlanka [38]
3 years ago
9

Exercises

Physics
1 answer:
Crank3 years ago
5 0

\\ \rm\Rrightarrow \dfrac{1}{u}+\dfrac{1}{v}=\dfrac{1}{f}

\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{1}{-10}+\dfrac{1}{38}

\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{-19+5}{190}

\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{-14}{190}

\\ \rm\Rrightarrow u=\dfrac{190}{-14}

\\ \rm\Rrightarrow u=13.6cm

Real

You might be interested in
You walk 53 m to the north, then you turn 60° to your right and walk another 45 m. Determine the direction of your displacement
Anton [14]

Answer:

NE 60*

Explanation:

4 0
3 years ago
Which method is responsible for the transfer of heat in the atmosphere ?
k0ka [10]

Answer:

B

Explanation: Because conduction is when an object touches another object and convection happens with boiling water or the water cycle, the particles/water fall and rise.

4 0
3 years ago
What is the scientific term for rocks formed from magma?
soldi70 [24.7K]
The scientific term for rock formed by magma is igneous rock 
3 0
3 years ago
What is happening to you as you walk across the carpet
ira [324]
You are attracting electricity<span />
6 0
3 years ago
Read 2 more answers
White light is an _____________ mixture of all the colors.<br> a) observable b) unequal c) equal
Musya8 [376]

Answer:

unequal

Explanation:

White light is a combination of all colors in the color spectrum.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Another word for mechanical weathering is
    9·1 answer
  • Una bala calibre se deja caer desde el piso 84 (a una altura de 250 metros) La bala tiene una masa de 0,008 kg. ¿A qué velocidad
    12·1 answer
  • An 80-kgkg quarterback jumps straight up in the air right before throwing a 0.43-kgkg football horizontally at 15 m/sm/s . How f
    7·1 answer
  • Two cars are traveling along a straight line in the same direction, the lead car at 25 m/s and the other car at 38 m/s. At the m
    11·1 answer
  • Any clue on this one please help
    12·1 answer
  • The distance between one point on a compression and the corresponding point on the next compression in a sound wave is called a
    8·2 answers
  • If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity
    11·1 answer
  • A space-walking astronaut has become detached from her spaceship. She's floating in space while holding a wrench. She is thinkin
    13·1 answer
  • The following shows the forces acting on a box. Explain how you calculate the net force in any direction on the box.
    7·1 answer
  • Arrange the quantities according to vector or scalar quantities: (a) Force (b) Displacement (c)Speed(d)Velocity(e)Density *
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!