answer.
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
Blababa [14]
2 years ago
9

A runner runs around the track consisting of two parallel lines 96 m long connected at the ends by two semi circles with a radiu

s of 49 m she completes one lap in 100 seconds what is her average velocity?
Physics
1 answer:
Zielflug [23.3K]2 years ago
7 0
-0 m/s
- average velocity=displacement/time
- the runners displacement is zero so her average velocity must be zero
You might be interested in
In a hyrdo electic power plant the moving water turns the turbine creating ____________ energy.
Marrrta [24]

Answer:

....................

Explanation:

................

3 0
1 year ago
Read 2 more answers
What are physical forms in which a substance can exist?
Alecsey [184]
Physical forms are: gas,liquid,and solid
8 0
1 year ago
The planets how and block are near each other in the Dorgon system. the Dorgons have very advanced technology, and a Dorgon scie
BlackZzzverrR [31]

Answer:

Decreasing the distance between Hox and Blox, increasing the mass of Hox, or increasing the mass of Hox and Blox.

Explanation:

The gravity force is directly proportional to the mass of the bodies and inversely proportional to the square of the distance that separates them.

Or

If we decrease the distance between both planets (Hox and Blox), the gravitational pull between them will increase.  

On the other hand, if we keep the distance between Hox and Blox, but we increase the mass of one of them, or increase the mass of both, the gravitational pull between them will also increase.

4 0
2 years ago
A light bulb is shown below, shining into a concave mirror, with its original light lines visible. Which statement best explains
LuckyWell [14K]
<span>an object that appears black absorbs al color. an object that appears white reflects all colors.</span>
5 0
2 years ago
A particular material has an index of refraction of 1.25. What percent of the speed of light in a vacuum is the speed of light i
beks73 [17]

Answer:

80% (Eighty percent)

Explanation:

The material has a refractive index (n) of 1.25

Speed of light in a vacuum (c) is 2.99792458 x 10⁸  m/s

We can find the speed of light in the material (v) using the relationship

n = c/v, similarly

v = c/n

therefore v = 2.99792458 x 10⁸  m/s ÷ (1.25) = 239 833 966 m/s

v = 239 833 966 m/s

Therefore the percentage of the speed of light in a vacuum that is the speed of light in the material can be calculated as

(v/c) × 100 = (1/n) × 100 = (1/1.25) × 100 = 0.8 × 100 = 80%

Therefore speed of light in the material (v) is eighty percent of the speed of light in the vacuum (c)

3 0
2 years ago
Read 2 more answers
Other questions:
  • A Federation starship (8.5 ✕ 106 kg) uses its tractor beam to pull a shuttlecraft (1.0 ✕ 104 kg) aboard from a distance of 14 km
    10·1 answer
  • The electric field near the earth's surface has magnitude of about 150n/c. what is the acceleration experienced by an electron n
    5·1 answer
  • What kind of motion indicates a system where the net force equals zero?
    6·2 answers
  • A 60 kg Gila monster on a merry-go-round is traveling in a circle with a radius of 3 m, rotating at a rate of 9 revolutions/minu
    9·1 answer
  • Several charges in the neighborhood of point P produce an electric potential of 6.0 kV (relative to zero at infinity) and an ele
    13·1 answer
  • A system contains a perfectly elastic spring, with an unstretched length of 20 cm and a spring constant of 4 N/cm.
    6·1 answer
  • A 0.45 Caliber bullet (m = 0.162 kg) leaving the muzzle of a gun at 860
    9·1 answer
  • When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed 20 below the horizontal, th
    10·1 answer
  • A boat moves through the sea.
    10·1 answer
  • 7) Three resistors having resistances of 4.0 Ω, 6.0 Ω, and 10.0 Ω are connected in parallel. If the combination is connected in
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!