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
hodyreva [135]
3 years ago
14

a car slows down from 22 m/s to 3 m/s at a constant rate of 3.5 m/s squared. how many seconds are required before the car is tra

veling at 3 m/s?
Physics
1 answer:
Stolb23 [73]3 years ago
6 0

Answer:

9.05 s

Explanation

v=u+at

You might be interested in
Two particles of a gas collide. Why is this considered an elastic collision? (1 point)
dezoksy [38]
I don’t know really really I don’t know
7 0
2 years ago
Read 2 more answers
The kinetic energy of a rotating body is generally written as K=12Iω2, where I is the moment of inertia. Find the moment of iner
stira [4]

Answer:

See explanation

Explanation:

We have a mass m revolving around an axis with an angular speed \omega, the distance from the axis is r. We are given:

\omega = 10 [rad/s]\\r=0.5 [m]\\m=13[Kg]

and also the formula which states that the kinetic rotational energy of a body is:

K =\frac{1}{2}I\omega^2.

Now we use the kinetic energy formula

K =\frac{1}{2}mv^2

where v is the tangential velocity of the particle. Tangential velocity is related to angular velocity by:

v=\omega r

After replacing in the previous equation we get:

K =\frac{1}{2}m(\omega r)^2

now we have the following:

K =\frac{1}{2}m(\omega r)^2 =\frac{1}{2}Iw^2

therefore:

mr^2=I

then the moment of inertia will be:

I = 13*(0.5)^2=3.25 [Kg*m^2]

3 0
3 years ago
Why does it takes a long time to heat a room with a high ceiling?
vlada-n [284]

Answer:

High ceilings make a room feel large and open, but they can be difficult to cool and heat. Because hot air rises, the challenge becomes trying to keep the hot air where you want it and preventing if from being wasted where you don't.

Explanation:

:)

6 0
3 years ago
Read 2 more answers
Lenz's Law: A coil lies flat on a tabletop in a region where the magnetic field vector points straight up. The magnetic field va
julia-pushkina [17]

Answer:

Explanation:

The magnetic field is straight up. It is reducing . As per Lenz's law , direction of induced current is such that it opposes the reason which creates it . magnetic field in upper direction is reducing . So current will be such that magnetic field produced by it increases magnetic field in upper direction . In other words , induced current should create magnetic field in upward direction. It is possible when direction of induced current is  anti - clockwise,  when seen from above.

5 0
3 years ago
Earth’s gravity keeps the moon in orbit by pulling on it.
MAXImum [283]

Answer:

A. pulls back on the Earth, which is the main cause of the rise and fall of the ocean tides on Earth.

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is computer system ?​
    12·1 answer
  • Some fabrics build up better than others because
    9·2 answers
  • Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surf
    5·1 answer
  • a 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42× 10⁻¹⁰ , how far apart
    9·1 answer
  • Kate gathered three boxes of the same size made of different materials: glass, clear plastic, and aluminum painted black. She pl
    6·2 answers
  • Which of the following astronomical bodies or collection of astronomical bodies is likely to be a part of the others listed?
    6·2 answers
  • Explain why the wave model of light cannot explain the energy emissions from a blackbody
    15·1 answer
  • PLS ANSWER FAST WILL GIVE BRAINLY!!!<br><br><br> How can you know if something has energy?
    7·1 answer
  • A pizza delivery person drives 3 miles North then 5 miles West and then 3 miles South to deliver a pizza. What is the person's d
    14·2 answers
  • Which of the following statements uses a connotative word to evoke the most negative feeling?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!