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
Blizzard [7]
3 years ago
15

the average speed of a runner in a 483. meter race is 3.0 meters per second. How long me runner to complete the race? Dont inclu

de units, round nearest whole number.
Physics
1 answer:
lara [203]3 years ago
3 0

Answer:

161

Explanation:

v=\frac{d}{t} slove for t

t=\frac{d}{v}

Insert values of d and v

t=\frac{483}{3} \\

t=161

You might be interested in
diving to work one morning, you get a flat tire. when using the car jack, you apply 120 N of force to the jack and the jack in t
dybincka [34]

Mechanical advantage = (output force) / (input force)

MA = (2,000 N) / (120 N)

<em>MA = 16.67</em>  (16 and 2/3)

6 0
3 years ago
A pulling force is called what?<br> A. normal<br> B. tension<br> C. balanced<br> D. compression
joja [24]
<span>There is no special name for that. Physics is usually just concerned with "forces", and doesn't specify whether the force pushes or pulls. If you want to be more specific, you can just call it a "pulling force".
I hoped this was satisfying!:)</span>
3 0
4 years ago
Read 2 more answers
A proton in a cyclotron is moving with a speed of 2.97×107 m/s in a circle of radius 0.568 m. 1.67 × 10−27 kg is the mass of the
vivado [14]

Answer:

B = 0.546 T,  F = 2.59 10⁻¹² N

Explanation:

The magnetic force is

            F = q v x B

We can calculate the magnitude of the force and find the direction by the right hand rule

          F = q v B sin θ

Let's use Newton's second law

         F = m a

Acceleration is centripetal

         a = v² / r

We substitute

       q v B sin θ = m v² / r

The angle between the field and the radius of the circle is 90º so sin 90 = 1

        q B = m v / r

        B = m v / q r

Let's calculate ’

       B = 1.67 10⁻²⁷ 2.97 10⁷ / (1.60 10⁻¹⁹ 0.568)

        B = 0.546 T

The foce is

         F = q v B

         F = 1.60 10⁻¹⁹ 2.97 10⁷ 0.546

         F = 2.59 10⁻¹² N

3 0
3 years ago
1. True or False: All sound happens through vibration.<br> A True<br> B False
Genrish500 [490]

Answer:

True

Explanation:

Sound is all about vibrations.

The source of a sound vibrates, bumping into nearby air molecules which in turn bump into their neighbor's, and so forth.

4 0
3 years ago
Read 2 more answers
Ian has a mass of 58.0 kg. what i the weight
nekit [7.7K]

Answer:

568.4N

Explanation:

weight  =58 x gravity

            =58x9.8

             =568.4N

6 0
3 years ago
Other questions:
  • Space exploration was aided most by the: a:use of liquidfuel b:discovery of neptune c:creation of the telescope d:acceptance of
    15·2 answers
  • How are electric current and a circuit related?
    8·2 answers
  • Particles have an orderly arrangement in this type of solid. Name this type of solid
    13·1 answer
  • A 7.5 kg cannon ball leaves a canon with a speed of 185 m/s. Find the average net force applied to the ball if the cannon muzzle
    13·1 answer
  • How does momentum conservation depend on the collision type? You throw a bouncy rubber ball and a wet lump of clay, both of mass
    8·1 answer
  • ¿Cuál es la aceleración de una bala que sale del cañón de 9 cm a una velocidad de 323 m/s? *
    14·1 answer
  • What is 3600Hz has in rpm?​
    11·1 answer
  • Can someone help me with this
    6·1 answer
  • What is the momentum if the mass is 1.5 kg and the velocity is 4 m/s?
    5·1 answer
  • What is your independent variable? (Page 3 on Investigation)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!