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
bekas [8.4K]
3 years ago
15

21. A cyclist travels 15 km in 30 minutes. What is the average speed of the biker in km/hr?

Physics
1 answer:
lisov135 [29]3 years ago
5 0
30 km in one hour I believe , because thirty •2= 1 hour
15•2= 30 km
You might be interested in
Under ordinary conditions of temperature and pressure, the particles in a gas are Select one: a. closely packed. b. very far fro
klemol [59]

Answer:

The particle of a gas are very far apart from each other.

Explanation:

The states of matter comprises of solid, liquid and gas. The molecules of gas are free because they are not tightly held together by molecular force. The force between the molecules has been broken, hence the particles possesses the freedom to move about thereby possessing high kinetic energy (energy possessed by a body due to its motion). Since this molecules can easily move freely, they are always far apart from each other under ordinary temperature and pressure.

5 0
4 years ago
Can you find a vector quantity that has a magnitude of zero but components that are not zero? Explain. Can the magnitude of a ve
MariettaO [177]

It is not possible to find a vector quantity of magnitude zero but components different from zero

The magnitude can never be less than the magnitude of any of its components

4 0
3 years ago
*13 POINTS* PLEASE HELP ASAP IM ON A TIME LIMIT ;-; WILL MARK BRAINLIEST what is the density of a sample that has a volume of 8c
galina1969 [7]

Answer:

5.63

Explanation:

Divide mass by volume, which will give you 5.63. For instance,  45 divide by 8 what is it? find out

7 0
3 years ago
Read 2 more answers
I need this fast can you help me o give 12 points
Elanso [62]
Water as it's the highest specific heat capacity
Hope this helps x
7 0
3 years ago
Read 2 more answers
How do leptons differ from hadrons?
Savatey [412]
I'll just give you the link for it but count it as my answer. http://www.differencebetween.com/difference-between-leptons-and-vs-hadrons/
4 0
4 years ago
Other questions:
  • If the mass of a material is 48 grams and the volume of the material is 8 cm^3, what would the density of the material be?
    8·1 answer
  • When more than one wave is in the same location at the same time, then there is _____ between the waves?
    13·1 answer
  • Which terms describes elements with different atomic masses due to varying numbers of neutrons?
    14·2 answers
  • A automotive test driver travels due north in a prototype hybrid vehicle at 30 mi/h
    10·1 answer
  • An ecologist studies a forest area for evidence of competition among organisms. She chooses a specific location where a tree was
    10·2 answers
  • A space shuttle burns fuel at the rate of 13,000kg in each second. Find the force exerted by the fuel on the shuttle if in 2s th
    15·1 answer
  • Explain what resonance is and give one example of a destructive outcome of resonance. Also give one example of a non-destructive
    9·1 answer
  • What is the mass of a box that accelerates to 10 m/s/s with a 70 Newton push?
    6·1 answer
  • Construct c = a + b by drawing and calculating the direction and magnitude of c. The direction should be
    10·1 answer
  • which of the answers below best describes the precaution you must make before connecting a capacitor to a circuit?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!