A car accelerates from 20 m/s to 40 m/s in 4 seconds. What is the car’s acceleration?

Answers

Answer 1

Answer:

40 - 20 = 20

20/4 = 5m/s

The difference in velocity divided by the rate = acceleration.


Related Questions

how does a drupe fruit differ from a hesperidum fruit. ​

Answers

Answer:

hi

Explanation:

Answer:

Fleshy Fruits: All of most of the ovary wall (pericarp) is soft or fleshy at maturity. ... partitions, juicy seed vesicles, and a leathery exocarp similar to a hesperidium. ... This is a very common dry fruit found in many different plant families.

Explanation:

Please help! I really need help on this!​

Answers

Answer:

I wanna say c

Explanation:

It makes the most sense, because non-metals don't produce an electrical current, and therefore aren't conductors.

What is the mass of 8.03 mole of NH3? (NH3 is 17g/mol)

Answers

Answer:

the mass of 8.03 mole of NH3 is 136.51 g

Explanation:

The computation of the mass is shown below:

As we know that

Mass = number of moles × molar mass

= 8.03 mol  × 17 g/mol

= 136.51 g

Hence, the mass of 8.03 mole of NH3 is 136.51 g

We simply multiplied the number of moles with the molar mass so that the mass could come

2) Check all that apply.
What are the three major groups of elements?

Answers

Answer:

metals, nonmetals and metalloids

Explanation:

1. Metals

2. Nonmetals

3. Metalloids

GUYS QUICK HELP!
is a soda pop bottle a invention or an innovation?

Answers

Answer:

Invention

Explanation:

!Hope This Helps!

A soda pop bottle is an invention.

If a section of DNA has 15% thymine, how much adenine will it have?
1. 15%
2. 30%
3. 60%
4.85%

Answers

Answer:

15% adenine

Explanation:

Thymine and adenine are a nitrogenous base pair so they would equal the same.

30% I think, although I am not quite sure

How many minutes are in 180,0 days?

Answers

Answer:

259,200 minutes

Explanation:

You probably use the term heat many times a day. As an example, when you cook dinner, you heat your dinner on a hot stove. When you place a piece of cool metal in the sun, it is heated by the sun’s energy. Why is heat the correct term to use in these examples?
A. They show that when objects are touching, they are the same temperature.
B. They show that heat flows from something warmer to something cooler.
C. They indicate that heat is created to raise the temperature of something.
D. They indicate that the kinetic energy of the particles decreases when something is heated.

Answers

Answer:

c

Explanation:

What causes warm air to rise?
a. The fact that it's less dense than cold air.
b. The fact that it weighs more than cold air.
c. The fact that it has higher pressure than cold air.
d. The fact that it's more dense than cold air.

Answers

a. The fact that it's less dense than cold air.
The answer is a because it reverses depending on the temperature

which one is ittt? help please:)

Answers

Answer:

b

Explanation:

the substance that can not be further decomposed by ordinary chemical means is
A.water
B.gold
C.sugar
D.air​

Answers

It’s between c and a

The domain level divides
organisms based on the
differences between
eukaryotes and
prokaryotes. Eukaryotes
have a nucleus in their
cells. Which BEST describes
prokaryotes?
A. Prokaryotes are nonliving things.
B. Prokaryotes do NOT have a nucleus.
C. Prokaryotes include all plant life.
D. Prokaryotes cannot reproduce.

Answers

Answer:

B. Prokaryotes do NOT have a nucleus.

As one object gets closer to another object , the force of gravity will increase ......


True or false

Answers

Answer:

true

Explanation:

hope that helped!!

The answer is true to the question asked

1.25 x 10^12 molecules H2SO4 to moles

Answers

Answer:

2.08 × 10⁻¹² mol H₂SO₄

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional AnalysisExplanation:

Step 1: Define

1.25 × 10¹² molecules H₂SO₄

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

Set up:                              [tex]\displaystyle 1.25 \cdot 10^{12} \ molecules \ H_2SO_4(\frac{1 \ mol \ H_2SO_4}{6.022 \cdot 10^{23} \ molecules \ H_2SO_4})[/tex]Multiply/Divide:                                                                                               [tex]\displaystyle 2.07572 \cdot 10^{-12} \ moles \ H_2SO_4[/tex]

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

2.07572 × 10⁻¹² mol H₂SO₄ ≈ 2.08 × 10⁻¹² mol H₂SO₄

Other Questions
Why did Christians and Muslims fight for the Holy of Palestine? How did WW2 change the world? Between 1865 and 1870, the 13th, 14th, and 15th amendments were passed by congress. Choose ALL statements that describe all three of these amendments. Factors That Contributedto Early Industrializationin the United States?Anabundanceof laborersTheavailabilityof capital3.Which factor best completes the diagram? pls help with number 3 Read the following text from a student essay. How can the writer best improve his or her grammar and mechanics? Imre Nagy became the leader of Hungary in, 1953. Nagy opposed the Soviet Union's influence on his country. As a result, he was forced out of office in, 1955. Hungarian protesters in the city of, Budapest, demonstrated against the Soviets in support of Nagy. A period of revolt, and unrest followed. In November, 1956, thousands of Soviet troops, and tanks stormed into Hungary. Thousands of Hungarians fled, or were killed. Nagy was captured, and executed. A by removing unnecessary commas B by using correct verb tenses Order the following set of numbers from least to greatest.0.09, 1%, 11%,1/8 I'm not sure this is a check for understanding 6 characteristics (attributes) about Sam Houston 6 characteristics (attributes) about Mirabeau Lamar 3 attributes about both that are similar PLEASE HELP ASAP!! also please explain thoroughly 1.How does personal freedom create identity? 2.How does economic freedom create identity? You are in the market for a used car and decide to visit a used-car dealership. You know that the Blue Book value of the car you are looking at is between $20,000 and $24,000. If you believe the dealer knows as much about the car as you do, how much are you willing to pay A construction crew is building a two story house, but they have not built the staircase between the floor yet. The height of the staircase is 12 feet, the base of the stairs will be 6 feet from the wall. How long does the temporary ramp need to be to the nearest tenth of a foot? Giving Brainliest!!!!!!!!! -x+5+4xsimply the expression For a theater play, the school sold 120 blue tickets for students and 80 red tickets for adults. What percent of the tickets were sold to students? 3. Given: If x= 2, then 3x - 5 10Prove this statement is true by contradictionIf x = 2, then 3x - 5 =10, take this statement as true and solve for x. HELP FOLKS PLEASE ( i don't have much time) Can some one please help me Can you simply these fractions? 5x6+7493+89-81+7783=