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
Dennis_Churaev [7]
3 years ago
6

Based on its location on the periodic table, which element is the best

Physics
2 answers:
jeka943 years ago
8 0

Answer:c

Explanation:

tankabanditka [31]3 years ago
5 0
Answer :C. Calcium


C
You might be interested in
Which of the following is the SI unit for volume
Katarina [22]
Meters for mass kilograms for volume cubic meters for density kilograms per cubic meter
3 0
3 years ago
Need help ASAP shoving brainlest plsssss
seraphim [82]
The answer for this would be B!!
3 0
3 years ago
If the period of a wave is 0.05 s, then what is its frequency?
yKpoI14uk [10]
Frequency = 1/time period = 1/0.05 = 20s^-1. 
8 0
3 years ago
Read 2 more answers
Suppose that a balloon is being filled with air at a rate of 10 cm3/s. (Assume that theballoon is a perfect sphere.) At what rat
Basile [38]

Answer:

Therefore the surface area of the balloon is increased at 4 cm³/s.

Explanation:

The balloon is being filled with air at a rate of 10 cm³/s

It means the volume of the balloon is increased at a rate 10 cm³/s.

i.e \frac{dv}{dt} =10 cm^3/s

Consider r be the radius of the balloon.

The volume of of a sphere is

v=\frac{4}{3} \pi r^3

Differentiate with respect to t

\frac{dv}{dt} =\frac{4}{3} \pi \times 3r^2\frac{dr}{dt}

\Rightarrow 10 =4\pi r^2\frac{dr}{dt}

\Rightarrow \frac{dr}{dt}=\frac{10}{4\pi r^2}

The surface of area of the balloon is(S) = 4\pi r^2

S=4\pi r^2

Differentiate with respect to t

\frac{dS}{dt} =4\pi\times2r\frac{dr}{dt}

\Rightarrow \frac{dS}{dt} =8\pi r\frac{dr}{dt}

Putting the value of \frac{dr}{dt}

\Rightarrow \frac{dS}{dt} =8\pi r\times\frac{10}{4\pi r^2}

\Rightarrow \frac{dS}{dt} =\frac{20}{ r}

Given that r = 5 cm

[\frac{dS}{dt}]_{r=5} =\frac{20}{ 5}  =4 cm³/s

Therefore the surface area of the balloon is increased at 4 cm³/s.

5 0
3 years ago
Carol can be defined as a social drinker because she can easily limit drinking and she chiefly drinks alcohol when she is out wi
satela [25.4K]
True. These are the characteristics of a social drinker.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Pls help me solve this physics question​
    12·2 answers
  • [01.02]
    10·2 answers
  • Draw distance time grap for a body at rest
    10·1 answer
  • Define Momentum? ......
    13·2 answers
  • Express in words AND mathematically the relationship between…<br> Period and frequency
    14·1 answer
  • Two speakers emit sound waves with frequency 4.55 kHz. They are driven by the same oscillator so that they are in phase with eac
    5·1 answer
  • Calculate ΔH∘f (in kilojoules per mole) for benzene, C6H6, from the following data:
    7·1 answer
  • Explain why the light bulb isn't lighting up in the circuit<br> pictured on the right.
    10·1 answer
  • The power of a wave comes from the wave's ..
    6·1 answer
  • NEED HELP PLEASEEE 15 POINTS
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!