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
amid [387]
2 years ago
8

A cyclist accelerates from a velocity of 10 miles/hour east until reaching a velocity of 20 miles/hour east in 5 seconds. What w

as the cyclist's acceleration?
Physics
1 answer:
Sliva [168]2 years ago
3 0

Answer:

a = 0.894\ m/s^2

Explanation:

<u>Motion with Constant Acceleration</u>

A body moves with constant acceleration when the speed changes uniformly in time. The equation used to find the final speed vf is

v_f=v_o+at

Where vo is the initial speed, a is the acceleration, and t is the time.

The cyclist has an initial speed of vo=10 miles/hour and ends up at vf=20 miles/hour in t=5 seconds.

Both speeds are given in miles/hour and we must convert it to m/s:

1 mile/hour = 0.44704 m/s

10 mile/hour = 4.47 m/s

20 mile/hour = 8.94 m/s

The acceleration is calculated by solving for a:

\displaystyle a=\frac{v_f-v_o}{t}

\displaystyle a=\frac{8.94-4.47}{5}

a = 0.894\ m/s^2

You might be interested in
I NEED HELP PLEASE, THANKS :) What does it mean when white light is diffracted and at a particular location the color seen is bl
alexgriva [62]

Answer:

This is because white light consists of 7 colours with different angles o deviation or retraction.

Explanation:

When a narrow beam of light is refracted by a prism the light spreads into a band of colours (called the spectrum of light )

But in this case if a blue colour is observed it is due to the angle of refraction ,for instance red is refracted the least and hence is seen

4 0
3 years ago
Read 2 more answers
In Paul Hewitt's book, he poses this question: "If the forces that act on a bullet and the recoiling gun from which it is fired
Sauron [17]
They have different accelerations because of their masses. According to Newton's Second Law, an objects acceleration is inversely proportional to its mass. Therefore the object with the larger mass, in this case the gun, will have a smaller acceleration. In the same way, the less massive object, being the bullet, will have a higher acceleration.

Hope this helps :)
4 0
3 years ago
what is the difference between stirring hot soup with a wooden spoon and a metal spoon? what physical property is being observed
AnnyKZ [126]

Wooden spoons don't quickly heat to hot temperatures not nearly as fast as metal does. Metal conducts heat faster than wood — if the head of the spoon is in a hot liquid, the handle will get hot faster if it's made out of a metal.

8 0
3 years ago
What type of season does Daytona Beach, FL most likely have?
Alexus [3.1K]

i think its very hot summers

4 0
2 years ago
Read 2 more answers
The ability to pick up small objects, to stack objects, and to carry objects appears first during which time period?
aliya0001 [1]
 the answer is B 4-6 months thats when they can pick up large objects.
8 0
2 years ago
Read 2 more answers
Other questions:
  • Name the characteristics of electro magnetic waves that i) increases ii) remains constant in the electromagneticspectrum as one
    6·1 answer
  • Please help! 100 points!
    12·1 answer
  • Help Me please!!!!!!!!!!!!!!!!!!!!! This My question on this test! I need This one! PLEASE!!!!!!!!
    6·2 answers
  • In the figure above, a box of mass 2.5kg is initially at rest on a rough inclined plane. Assuming the
    15·1 answer
  • Help me please I only have a few minutes to get this doneplease and thank q
    10·1 answer
  • One way to describe a wave crest is the amount of ___________ applied over an area.
    5·2 answers
  • An underground cannon launches a cannonball from ground level at a 35 degree angle. the cannonball is shot with an initial veloc
    6·1 answer
  • Juan amd kym have four samples of matter. They are observing and describing the properties of these samples. Which property will
    5·1 answer
  • Newton's first law of motion states: Question 1 options: A body at rest will remain at rest unless acted on by an external force
    8·1 answer
  • A thin flexible gold chain of uniform linear density has a mass of 17.1 g. It hangs between two 30.0 cm long vertical sticks (ve
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!