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
Kisachek [45]
3 years ago
12

Question 1

Physics
1 answer:
galina1969 [7]3 years ago
7 0
1/f= 1/di+1/do
1/f=1/90m+1/40m
1/f ≈27.7m
You might be interested in
3. A bunny and a tortoise start a race from rest. The bunny accelerates at a rate ab for a time to until it reaches its
Aleks [24]

pa

heart

po

at

pa

follow

rin

sa

tiktok

Answer:

yan

ang

answer

7 0
2 years ago
Which does not contain a lens?
denis23 [38]
Im pretty sure it’s A eye
8 0
3 years ago
Olympic gold medalist Michael Johnson runs one time around the track 400 meters in 38 seconds what is his displacement what is h
Sveta_85 [38]
Displacement = 0, assuming that he runs back to original position
Average velocity is displacement/ time, since displacement =0, velocity is also 0
8 0
3 years ago
It is strong elastic and light .it is lutrous and easy to wash. so it become very popular for making clothes
Marrrta [24]

Answer:

Nylon fibres

Explanation:

Nylon fibres are synthetic polymers made of repeating units linked by amide links. It is a thermoplastic silky material which can be remoulded in any shape.

Nylon fibres have the property of strong elastic and light in weight that is why used for making ropes,  combat uniforms, and parachutes. Nylon Fibres are also lustrous and easy to wash so widely used in textile industry for making swimwear, track pants, shorts, and draperies.

Hence, the correct answer is "Nylon fibres".

6 0
3 years ago
A motorcycle of mass 100 kilograms travels around a flat, circular track of radius 10 meters with a constant speed of 20 meters
JulijaS [17]

Answer:

100/10 = 10 , 10 × 10 = 100÷20 = 5

I'm pretty sure its wrong

8 0
3 years ago
Read 2 more answers
Other questions:
  • A projectile is launched horizontally from a height of 8.0 m. The projectile travels 6.5 m before hitting the ground.
    5·1 answer
  • What is the resistance of a 20.0-meter-long
    11·2 answers
  • How many gallons of blood does it pump? (Estimate that the heart pumps 50 cm3 of blood with each beat.)
    10·2 answers
  • You have a spring with k = 640 N/m connected to a mass with m = 10 kg. You start the system oscillating and measure the velocity
    12·1 answer
  • Good day can I get some help please?​
    12·1 answer
  • Consider water flowing through a cylindrical pipe with a variable cross-section. The velocity is v at a point where the pipe dia
    7·1 answer
  • An Olympic track runner starts from rest and has an acceleration of 2.4 m/s2 for 3.6 s, then has zero acceleration for the remai
    6·1 answer
  • What is a lot like gases but the atoms are different because they are made up of free electrons and ions of elements
    11·1 answer
  • Una banda de rock toca en un nivel<br>de sonido de 80 dB ¿Cuál es la<br>intensidad de ese sonido?​
    14·1 answer
  • List the 5 components of fitness<br>​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!