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
Vikentia [17]
3 years ago
6

A soccer player practices kicking the ball into the goal from halfway down the soccer field, which is 45 meters away. The time i

t takes for the ball to get to the goal from the time it is kicked is 3 seconds. The player wants to know the velocity of the ball.
Is there enough information to calculate this?


Yes, displacement is 45 meters, elapsed time is three seconds, and the direction is toward the goal. Velocity is 135 m/s toward the goal.


No, only speed can be calculated from the distance of 45 meters and the time of 3 seconds.


Yes, displacement is 45 meters, time is three seconds, and the direction is toward the goal. Velocity is 15 m/s towards the goal.
Chemistry
2 answers:
Oksi-84 [34.3K]3 years ago
7 0
This is your perfect answer

aksik [14]3 years ago
3 0

Answer:

Yes, displacement is 45 meters, time is three seconds, and the direction is toward the goal. Velocity is 15 m/s towards the goal.

Explanation:

Hope this helped!

You might be interested in
Complete the following chemical equation. 2KMnO4 + Heat ----------- + MnO2 + -----------
Lady bird [3.3K]

Answer:

2 KMnO4 → K2MnO4 + MnO2(s) + O

Explanation:

Here, the oxidation state of manganese changes as the potassium permanganate (oxidation state +7) decomposes to potassium manganate (oxidation state +6) and manganese dioxide (oxidation state +4). Oxygen gas is also liberated.

8 0
3 years ago
If 1.2 kilograms of rust forms on a bridge in 5 days, what should be the rate of reaction in grams per hour?
Dimas [21]
We have 1.2 kg of rust whithin 5 days.
the rate of reaction in grams per hour:

1.2 kg/5 day * 1000 g/kg * 1 day/24 hours = 10.0 grams/hour

hope this help
8 0
4 years ago
Commercially available concentrated sulfuric acid is 17.2M . Calculate the volume of concentrated sulfuric acid required to prep
Dimas [21]

Answer:

0.727 l.

Explanation:

For the new dilute Sulphuric acid,

Number of moles = molar concentration × volume

= 2.5 × 5

= 12.5 mol

Volume of concentrated solution = 12.5/17.2

= 0.727 l of 17.2 M of sulphuric acid to be diluted.

5 0
3 years ago
Although expensive, platinum is used as a catalyst to break down harmful gases in car exhaust into less harmful gases. Which sta
Dimas [21]
<span>Platinum is solid at room temperature. SInce the catalyst is solid while the medium involves gases, this catalyst is characterized as heterogenous. Because they are different states of matter, they can be easily separated through physical means. So, the answer is B.</span>
7 0
3 years ago
Read 2 more answers
Some molecules in air contain .<br> Explain how atoms from the air can become part of human cells
Tcecarenko [31]

The atoms in air are combined with oxygen present in the air and when we inhale the air, oxygen is moved into the body then atoms in oxygen are carried by red blood cells the blood is pumped to the lungs and when oxygen is transported to the body organ, the atoms in lungs become the part of human cells.

5 0
3 years ago
Other questions:
  • Explain why the boiling point of water decreases as elevation increases
    14·1 answer
  • The enthalpies of formation of the compounds in the combustion of methane,
    11·2 answers
  • The longer the bond, the smaller the bond enthalpy. the longer the bond, the smaller the bond enthalpy. false true
    11·1 answer
  • What must be part of a quantitative observation?
    9·2 answers
  • What is the difrense between soft water and hard water?
    9·1 answer
  • 4. An atom is neutral because it has the same number of protons as it has:
    10·1 answer
  • Balance this reaction:<br>C6H10Cl4+Cl2=​
    13·1 answer
  • Please answer in order the squares are numbered
    11·1 answer
  • C2H6O2 is infinitely miscible(soluble) in water. Ethylene glycol is a nonelectrolyte that is used as antifreeze. What is the low
    11·1 answer
  • Write the following in standard notation:<br> 5.1874 x 102
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!