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
Galina-37
3 months ago
6

There is a distinction between average speed and the magnitude of average velocity. Give an example that illustrates the differe

nce between these two quantities.
Physics
1 answer:
Sav [3.1K]3 months ago
5 0

An instance that highlights the distinction is circular motion

Explanation:

Let's begin with the definitions of these two terms:

- Speed is a scalar quantity that measures "how quickly" an object moves, independent of its travel direction.

Speed can be calculated as:

speed = \frac{d}{t}

where:

d is the distance covered

t is the time elapsed

- Velocity is a vector quantity defined as:

velocity = \frac{d}{t}

where;

d is the object's displacement (a vector connecting initial and final positions during motion)

t is the time taken

Since it is a vector, velocity incorporates both a magnitude and direction, hence taking into account the object's movement direction.

For straight-line motion, speed and velocity are equivalent. However, this isn't always true.

In reality, one scenario where these quantities diverge is in circular motion. For instance, when an object completes a full revolution around the circle, its average speed is calculated as the perimeter length (distance) divided by the time taken:

speed = \frac{2\pi r}{t}

where r denotes the circle's radius.

Nevertheless, since the object's displacement returns to zero (as it goes back to the initial point), the average velocity equals zero:

velocity = \frac{0}{t}=0

Learn more about speed and velocity:

You might be interested in
A wave travels through a medium because
Maru [3345]

if you want the short reply, the answer is B

5 0
2 months ago
Read 2 more answers
Compare the momentum of a 6,300-kg elephant walking 0.11 m/s and a 50-kg dolphin swimming 10.4 m/s. your answer
inna [3103]
<span>First, apply Newton's second law of motion: F = ma. Force equals mass times acceleration. This law describes force as the product of mass multiplied by acceleration (which is different from velocity). As acceleration is the variation in velocity over time, we have force = (mass * velocity) / time, leading us to conclude that (mass * velocity) / time will equal momentum / time. Hence, we derive the equation mass * velocity = momentum. Momentum = mass * velocity. For the elephant, with a mass of 6300 kg and velocity of 0.11 m/s, Momentum = 6300 * 0.11, resulting in P = 693 kg (m/s). For the dolphin, having a mass of 50 kg and moving at 10.4 m/s, Momentum = 50 * 10.4, yielding P = 520 kg (m/s). Thus, the elephant has a greater momentum (P) due to its larger size.</span>
5 0
3 months ago
A firecracker breaks up into two pieces, one of which has a mass of 200 g and flies off along the x-axis with a speed of 82.0 m/
Softa [3030]
O momento total, p = 21.24 kg-m/s
4 0
2 months ago
Suppose you are designing an amplifier and loudspeaker system to use at a rock concert. You want to make it as loud as possible.
Softa [3030]
The response is outlined below. Audio power amplifiers are present in various sound systems, including those for sound reinforcement, public addresses, home audio, and musical instrument amplifiers like those for guitars. This component is the final electronic element in the audio playback chain before signals reach the loudspeaker. To achieve the loudest possible sound, it is essential to maximize output while maintaining high input and low output impedance.
4 0
2 months ago
When a downward force is applied at a point 0.60 m to the left of a fulcrum, equilibrium is obtained by placing a mass of 10–7 k
ValentinkaMS [3465]

Answer:

force = 6.53× 10^{-7} N

Explanation:

Provided data

downward force = 0.60 m

mass m = 10^{-7} kg

distance h = 0.40 m

to determine

magnitude of the downward force

solution

we know here mg is apply 0.4 m away from support and

thus applied force is d = 0.6 m from support

therefore

by balancing torque we can compute force

as

force = mass × g × h / d

substituting the values

force = mass × g × h / d

force = ( 10^{-7} × 9.81 × 0.4 ) / 0.6

force = 6.53× 10^{-7} N

4 0
2 months ago
Other questions:
  • a pebble is dropped down a well and hits the water 1.5 seconds later. using the equations for motion with constant acceleration,
    7·2 answers
  • What is another metaphor (aside from the fact that a piano can only produce certain notes) that could help someone understand en
    7·1 answer
  • myron is almost late for class and he is running quickly to arrive before the professor begins lecturing as he listen to the pro
    11·1 answer
  • The equation for the change in the position of a train (measured in units of length) is given by the following expression: x = ½
    9·2 answers
  • An object of mass 8.0 kg is attached to an ideal massless spring and allowed to hang in the Earth's gravitational field. The spr
    5·2 answers
  • James Cameron piloted a submersible craft to the bottom of the Challenger Deep, the deepest point on the ocean's floor, 11,000 m
    7·2 answers
  • A boat is floating in a small pond. the boat then sinks so that it is completely submerged. what happens to the level of the pon
    7·1 answer
  • A trained sea lion slides from rest down a long
    12·1 answer
  • A certain carbon monoxide molecule consists of a carbon atom mc = 12 u and an oxygen atom mo = 17 u that are separated by a dist
    5·1 answer
  • First, record some data for this comparison in the table below.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!