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
Nimfa-mama [501]
3 years ago
6

PLZ HELP ME ASAP 30 POINTS

Physics
1 answer:
dlinn [17]3 years ago
4 0

Answer:

The answer is E.

You might be interested in
A truck brakes from 15 m/s to 2 m/s in 15 seconds. What is its acceleration?
iris [78.8K]
If we take v=u+at and our given values are:

v=final velocity 20m/s

u=initial velocity 15m/s

a=acceleration

t=time 5sec

we plug those into our equation:

20m/s=15m/s+a(5s)

now we just rearrange to solve for acceleration.

(5m/s)/(5s)=a

a=1m/s^2

hope this helps!
PLEASE MARK BRAINLEIST
3 0
2 years ago
Easy Guided Online Tutorial A special electronic sensor is embedded in the seat of a car that takes riders around a circular loo
kumpel [21]

Answer:

v = 17.30 m / s

Explanation:

For this exercise we will use Newton's second law

at the bottom of the loop and stopped

           ∑ F = 0

           N-W = 0

           N = W

            W = 770 N

the mass of the body is

            W = mg

             m = W / g

            m = 770 / 9.8

            m = 78.6 kg

on top of the loop and moving

           ∑ F = m a

           N + W = m a

note that the three vectors go in the same vertical direction down

           

the centripetal acceleration is

           a = v² / r

we substitute

           N + W = m v² / r

           v = \sqrt{(N+W) \frac{r}{m} }

let's calculate

          v = \sqrt{ (350+770) \frac{21}{78.6} }

          v = 17.30 m / s

7 0
2 years ago
Define homogeneous mixtures and give 3 examples.<br><br> ASAP please 25 points?
Westkost [7]

Answer:

Homogeneous mixtures may be solids, liquids, or gases. Examples include steel, wine, and air. A homogeneous mixture is a solid, liquid, or gaseous mixture that has a uniform composition. No matter where you sample the mixture, the amount and type of components is the same.

Explanation:

Help of sciencenotes .org

7 0
3 years ago
Read 2 more answers
Engineering solutions use scientific laws to predict behaviors of objects in certain situations. Will used Newton's Laws of Moti
Alinara [238K]

D) Scientific laws do not account for unseen variations, like wind

Explanation:

Will model in predicting the path of an arrow he was about to shoot failed because scientific laws most times do not account for unseen variations like wind.

Scientific laws are the description of an observed phenomenon in nature.

  • Most scientific laws have exceptions.
  • Exceptions in scientific laws are conditions in which the law will not hold true.
  • There are exceptions to newton's law of motion which Will did not take into account.

learn more:

Newton's law brainly.com/question/11411375

#learnwithBrainly

6 0
3 years ago
What is the magnitude of velocity for a 2,000 kg car possessing 3,000 kg(*)m/s of momentum?
Trava [24]

The magnitude of velocity for this car is equal to 1.5 m/s.

<u>Given the following data:</u>

  • Momentum of car = 3,000 kgm/s.
  • Mass of car = 2,000 kg.

To calculate the magnitude of velocity for this car:

<h3>What is momentum?</h3>

In Science, momentum simply means a multiplication of the mass of an object and its velocity.

Mathematically, momentum is giving by the formula;

Momentum = mass \times velocity

Making velocity the subject of formula, we have:

Velocity=\frac{Momentum}{Mass}

Substituting the given parameters into the formula, we have;

Velocity=\frac{3000}{2000}

Velocity = 1.5 m/s.

Read more on momentum here: brainly.com/question/15517471

5 0
3 years ago
Other questions:
  • What is the solution for the gravitational pull on earth?
    15·1 answer
  • If your friend said that to that kinetic energy was changing to potential emergy at point c, how would you respond
    5·1 answer
  • The moon has much less gravitational force than earth. What would happen if you went to the moon?
    8·1 answer
  • F a light bulb produces 60.0 J of electrical energy and is 45% efficient, how much energy does it use?
    8·2 answers
  • What type of thermodynamic system is best to use to describe an operating automobile engine? A) Open O B) Dilated O C) Isolated
    8·1 answer
  • 7. A 3.0 kg object travels vertically at a constant
    9·1 answer
  • A copper wire loop has a circular shape, with a radius a (see below). The loop is put perpendicularly to the uniform magnetic fi
    15·1 answer
  • Please helppppppppppp​
    5·1 answer
  • Plz help!! This is timed!!!!
    8·1 answer
  • You walk 6 meters east followed by 4 meters west in 4 seconds. What is your velocity
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!