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
yan [13]
3 years ago
13

You spot a friend walking on a moving walkway in an airport. You are not on the walkway and you want to keep up with her.

Chemistry
1 answer:
Mademuasel [1]3 years ago
3 0

I think the answer is A.

A. the speed of the walkway multiplied by the speed at which she is walking

The speed she is walking accelerates her speed by the base speed of the walkway.

You might be interested in
A sample of iron absorbs 67.5 j of heat upon which the temperature of the sample increases from 21.5 °c to 28.5 °c. if the speci
asambeis [7]
Q = mcΔθ

67.5 = m x 0.45 x (28.5 - 21.5)

M = 67.5 / 3.15
= 21.4 g
3 0
3 years ago
Read 2 more answers
Describe the evidence of changes in organisms in the Cambrian Era that are reflected in the fossil record.​
UkoKoshka [18]

Answer:

Morphology and phylogenetics revealed by fossils. Perhaps the strongest evidence to support the Cambrian evolutionary explosion of animal forms is the first clear appearance, in the Early Cambrian, of skeletal fossils representing members of many marine bilaterian animal phyla

Explanation:

also pls vote brainliest <3 :)))

3 0
3 years ago
What particles form the nucleus of an atoms?
melomori [17]

Answer:

Protons and neutrons

Explanation:

The particles to forms the nucleus of an atom are the protons and neutrons of the atoms.

These materials are located in the tiny nucleus and contributes the most mass of the atom.

  • Protons are the positively charged particles in an atom
  • Neutrons do not carry any charges.
  • Sum of the protons and neutrons gives the mass number of the atom.
7 0
2 years ago
What happens when copper nitrate II is heated​
cupoosta [38]

Answer:

Copper nitrate is a blue coloured crystal.which copper nitrate is heated it loses the water molecule and then when is further heated it decomposes to give redddish brown gas,nitrogen dioxide and oxygen.

Explanation:

4 0
3 years ago
What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)?
vova2212 [387]
Idk what is is i am sorry


6 0
3 years ago
Other questions:
  • If it requires 18.2 mL of 0.45 molar barium hydroxide to neutralize 38.5 mL of nitric acid, solve for the molarity of the nitric
    5·1 answer
  • Which of the following solutions is acidic? [H3O+] = 1.0 x 10-10 M [H3O+] &lt; 1.0 x 10-7 M [OH-] = 1.0 x 10-10 M [OH-] = 1.0 x
    6·1 answer
  • Explain why oil is called a fossil fuel.
    11·2 answers
  • Does observing a physical property of a substance change the identity of the substance? Explain.
    5·1 answer
  • Your friend, a business major, overhears you talking about chemical energy and food and decides to develop a new super food for
    6·1 answer
  • How does a hummingbird's beak help it to meet its basic needs?
    10·1 answer
  • The half-life of C-14 is 5470 years. If a particular archaeological sample has one-quarter of its original radioactivity remaini
    11·1 answer
  • A ________ alchohol has a -OH radical bonded to a central carbon atom.
    9·1 answer
  • Seasonal changes in water temperature tend to remain within a narrow range. This is opposed to air temperature, which tends to f
    11·2 answers
  • Many glucose monomers are found in
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!