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
Yuri [45]
2 years ago
9

Im sorry if its difficult to read

Chemistry
1 answer:
anzhelika [568]2 years ago
6 0

Answer:

A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+320

You might be interested in
Sodium metal is quiet soft whereas sodium chloride crystals are quiet hard explain why
stiks02 [169]
In mineralogy and crystallography, a crystal structure<span>is a unique arrangement of atoms in a </span>crystal. Acrystal structure<span> is composed of a unit cell, a set of atoms arranged in a particular way; which is periodically repeated in three dimensions on a lattice.
Crystals create a harder more fitting structure so they tend to be a lot stronger than other compounds or elements</span>
8 0
3 years ago
If 100.0 grams of na3n decompose to form sodium and nitrogen, how many moles of sodium are formed? write and balance equation be
Yakvenalex [24]
The balanced equation is:
2Na_3N-\ \textgreater \ 6Na + N_2

Then proceed with the following equations.


100g Na_3N*(\frac{1molNa_3N}{82.98gNa_3N})*(\frac {6mol Na}{2molNa_3N})*(\frac {22.99gNa}{1molNa})=83.12gNa

The answer is 83.12gNa.
7 0
3 years ago
Read 2 more answers
Moraines left by glaciers are different from deposits left by rivers because the rocks left behind are _____.
12345 [234]

Explanation:

unorganized and unsorted i think this is the answer

7 0
3 years ago
15.
lorasvet [3.4K]
C.


Because the spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body
5 0
3 years ago
Are inner planets rockier or more like gas??
Eduardwww [97]
Inner planets are rockier and outer planets are gaseous. Hope this helps! Can I have brainliest please
4 0
3 years ago
Read 2 more answers
Other questions:
  • An aqueous solution of sodium chloride is best classified as a
    15·2 answers
  • What are water droplets at least 0.5 millimeters in diameter?
    7·1 answer
  • The radius of an atom of gold (Au) is about 1.35 Å.
    11·2 answers
  • Martina has a sample of an unknown substance, she measures the substance, its mass is 13.5 grams, and its volume is 5cm^3
    5·2 answers
  • Prospectors are considering searching for gold on a plot of land that contains 2.45 g of gold per bucket of soil. If the volume
    12·1 answer
  • When methane (CH4) burns, it reacts with oxygen gas to produce carbon dioxide and water. The unbalanced equation for this reacti
    6·1 answer
  • Why can't we carry an umbrella during lighting?
    5·1 answer
  • Approximately what percentage of the energy in the plants is passed on to the animals that eat them?
    12·1 answer
  • List 4 significant problems with nuclear power plants.xx
    15·1 answer
  • Which of the following is a INCORRECT ionic compound formula? <br> MgO<br> Na20<br> MgCl<br> NaCl
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!