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
Naily [24]
2 years ago
3

Lucy drops a rock from a set height and measures the time it takes the rock to reach the ground. She uses this time and the dist

ance of the fall to calculate the average speed of the rock. She tests four rocks of different masses. Which question is Lucy investigating?
1.How does the free-fall height affect the speed of a falling object?
2.How does mass affect the speed of a falling object?
3.How does mass affect the force exerted by an object?
4.What causes an object to accelerate?
Biology
1 answer:
Tom [10]2 years ago
8 0

Answer: 2

Explanation:

You might be interested in
Which of the following groups would contain the largest number of organisms
Sergio039 [100]

The animal kingdom (Animalia)

4 0
3 years ago
Read 2 more answers
People who have AIDS are more likely than others to become ill with multiple infections because the pathogen that cause AIDS
vagabundo [1.1K]
Yes.. is this a true or false question cause if so its true.
4 0
3 years ago
Which statement describes Earth?
SOVA2 [1]

Answer:

it is a terrestrial planet.

It was formed from gas and dust.

Explanation:

the last one is wrong is not thick and the first one is wrong because it is an innner planet.

5 0
3 years ago
Involved growth development and metabolism is called ?
iren [92.7K]

Answer:

The Endocrine System

Explanation:

The endocrine system comprises of organs and organs that produce and delivery hormones that influence the body distinctively and help control capacities including tissue homeostasis, development and improvement, generation, reaction to stress, and metabolism.

7 0
3 years ago
What came first? The chicken, or the egg?<br><br><br><br>:3​
Novay_Z [31]

Answer:

egg lol

Explanation:

hi :p

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following identifies the most important reason why the percentage of deaths due to infectious diseases dropped from
    5·1 answer
  • An ecologist samples the abundance of various species along an environmental gradient and fails to find clusters of species. Ins
    15·1 answer
  • The formula v2 = G is very useful for astronomers because it does not require them to know T. What does T stand for? orbital per
    15·2 answers
  • Which level of organization would occur after the cellular level but before the organ level
    9·1 answer
  • Multicellular or unicellular organism with no roots or chlorophyll
    10·1 answer
  • The solubility of a solute is the largest amount of solute that can dissolve in a certain quantity of __________.
    8·1 answer
  • Telophase is a stage of a cellular process that begins after the chromosomes have moved to
    14·1 answer
  • What are the 3 types of formations and what boundaries do they sit at
    6·1 answer
  • why is climate change a serious threat to the least developed countries practicing agriculture as their main occupation mountain
    5·1 answer
  • 36. Which of the following statement is not true about the properties of an acid?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!