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
quester [9]
3 years ago
7

A student practicing for a cross country meet runs 250 m in 30s what is her average speed

Chemistry
2 answers:
monitta3 years ago
6 0

Answer:

8.33 meters/sec.

Explanation:

Distance = 250 Meters

Time = 30 sec.

Velocity = Distance / Time

= 250 Meters

30 sec.

= 8.33 meters/sec.

aev [14]3 years ago
3 0

Answer:

Speed = 8.34 m/s

Explanation:

Given =

Distance = 250 meters

Time = 30 seconds

Solution =

Speed = Distance / Time

Speed = 250/30

Speed = 8.3333333 m/s.

Speed = 8.34 m/s

You might be interested in
a hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as . wh
MrRissso [65]

Answer:

tupgstdtliylyf disparities in the first to comment on this device is not a little bit of a very happy with the first to comment hi friends how true and 7सुप्रभात मैं थोड़ा सा हूँ

3 0
3 years ago
Which equation is balanced?
Mariana [72]

Answer:

2Al+3F2→2AlF3

Explanation:

There are no parameters that are being changed, just moved around.

8 0
3 years ago
What attracts heat more? black or aluminum foil?​
Inessa05 [86]

Answer:

"<em><u>A</u></em><em><u>L</u></em><em><u>U</u></em><em><u>M</u></em><em><u>I</u></em><em><u>N</u></em><em><u>U</u></em><em><u>M</u></em><em><u> </u></em>FOIL" will conduct heat much more effectively than black construction paper.

8 0
3 years ago
Read 2 more answers
I've a project about (air pollution), I want a questions about the topic, can anyone help me pls?​
Gnom [1K]

Answer:

different ways to pollute the air

Explanation:

just think of it like this what is black smoke to nothing lol the black smoke goes up into the atmosphere and pollutes the air just as somebody throwing trash into the ocean and polluting the ocean

8 0
3 years ago
Complete the statement to describe the movement of water on Earth.
Alex_Xolod [135]
Sum and the earth . Easy
7 0
3 years ago
Read 2 more answers
Other questions:
  • A piece of black onyx was cut into a rectangular solid measuring 5.10 cm by 5.10 cm by 2.50 mm . What is the volume in cubic cen
    11·1 answer
  • two isotopes of the same element will have the same number of _____ but a different number of ____. (2 points)
    9·1 answer
  • If I use the dropped to add 10 mL of drink mix to 50 mL of water, what is the percent by volume of the drink mix in the solution
    6·1 answer
  • Citric acid which is present in citrus fruits is a triprotic acid calculate the ph and the citrate ion concentration for
    11·1 answer
  • What is NOT true for a catalyst? 1. A catalyst increases the rate of a chemical reaction by decreasing activation energy. 2. A c
    5·1 answer
  • What is it called when an atom completes its outer shell of electrons (8)?
    14·1 answer
  • If I threw a block of sodium into a lake, and the H2 created took up 34 L of space at STP (standard temperature and pressure: 1
    8·1 answer
  • PLZZZ HELP. Just say yellow goes under ..... for example.
    5·1 answer
  • What does testable mean
    9·2 answers
  • Hypothesis and Data Collection Fill the balloon with water until it is the size of a golf ball, and tie a knot in the end. Make
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!