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
Sauron [17]
3 years ago
15

A car is coasting backwards downhill at a speed of 3.0 m/s when the driver gets the engine started. After 2.5

Physics
1 answer:
astra-53 [7]3 years ago
4 0

Answer:

0.6m/s²

Explanation:

Given parameters:

Initial velocity  = 3m/s

Final velocity  = 4.5m/s

Time taken  = 2.4s

Unknown:

Average acceleration  = ?

Solution:

To solve this problem, we use the expression:

 Acceleration  = \frac{v - u}{t}  

v is the final velocity

u is the initial velocity

t is the time taken

    Acceleration  = \frac{4.5 - 3}{2.5}   = 0.6m/s²

You might be interested in
Gold-leaf electroscope uses
Kruka [31]
-identifies an electric charge 
-it can identify its polarity (positive or negative) if you compare it to a charge that you already know
-can identify the magnitude of a charge (how big of a charge it is)
7 0
4 years ago
While John is traveling along a straight interstate highway, he notices that the mile marker reads 249 km. John travels until he
erastova [34]

Answer:

Explanation:

Displacement can be displayed as a vector, this because it has magnitud and direction. Because of this, we can think John's Resultant Displacement as the join of this two vectors.

The First Vector is from the 249 Km Marker to the 141 Km Marker, which give us a Vector with a Magnitude equals to 108 Km.

The Second Vector goes from 141 Km Marker to the 174 Km Marker, which give us a Vector with a Magnitude equals to 33 Km.

However is important to know the direction for each Vector, we notice that John was traveling on one direction and then he returned. This makes our Vector to have a different direction, and this means difference signs. Difference signs means substraction. So, the Third Vector will be:

Third Vector = 108 Km - 33 Km

Third Vector = 75 Km

8 0
4 years ago
A car speeds up as it rolls down a hill. which is this an example of? positive acceleration negative acceleration relative veloc
alex41 [277]
Positive acceleration
6 0
4 years ago
Read 2 more answers
A wave a strong undertow. What kind of wave is it
shutvik [7]
Hey there! 

<span>Answer: </span>A swell

A wave which creates a strong undertow is called a swell. These types of waves are also known as <span>surface gravity waves. 

Thank you!</span>
8 0
3 years ago
A culture is a group of people that share the same __________.
Nookie1986 [14]
Hi!

Although all of them might be a good answer the correct has to be <span>C. beliefs and behaviors </span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is one of the ending compounds during cellular respiration? A.Glucose B.Mitochondria C.Oxygen D.Water
    14·2 answers
  • The Han Dynasty is best described as a:
    12·1 answer
  • A carousel has a radius of 1.60 m and a moment of inertia of 122 kg · m2 . a girl of mass 40.5 kg is standing at the edge of th
    11·1 answer
  • A ball thrown by Ginger is moving upward through the air. Diagram A shows a box with a downward arrow. Diagram B shows a box wit
    10·1 answer
  • A boy and his skateboard have a combined mass of 65 kg what is the speed of the boy and skateboard if they have a momentum of 27
    15·1 answer
  • HEY CAN ANYONE PLS PLS ANSWER DIS I RLY NEED IT
    15·1 answer
  • What is the escape velocity from a planet with a mass that is 10.8% Earths mass and a size that is 53% Earths radial size?
    7·1 answer
  • The voltage of the electricity in outside power lines is much higher than the voltage of the electricity in buildings. How is th
    14·1 answer
  • Increased air pressure on the surface of hot water tends to
    12·1 answer
  • A home uses ten 100-watt lightbulbs for five hours per day. Approximately how many kilowatt-hours of electrical energy are consu
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!