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
Kazeer [188]
3 years ago
15

If a sample of a(

Physics
1 answer:
Otrada [13]3 years ago
7 0
Idkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidkidk
You might be interested in
Often times we think about insulation, we think about keeping cold items cold, such as drinks in an ice chest or the cool temper
Burka [1]

Answer:

So, insulation essentially works by creating a sort of barrier between the hot and the cold object. This barrier helps to reduce heat transfer by either reflecting the thermal radiation or by decreasing thermal conduction and convection from one object to the other.

4 0
2 years ago
Which of the following is a false statement? Select one:
Art [367]

Answer:

The false statement is in option 'd': The center of mass of an object must lie within the object.

Explanation:

Center of mass is a theoretical point in a system of particles where the whole mass of the system is assumed to be concentrated.

Mathematically the position vector of center of mass is defined as

\overrightarrow{r}_{com}=\int \overrightarrow{r}_{i}dm

where,

\overrightarrow{r}_{i} is the position vector of the mass dm.

As we can see for homogenous symmetrical objects such as a sphere,cube,disc the center of mass is located at the centroid of the shapes itself but in many shapes it is located outside the body also.

Examples of shapes in which center of mass is located outside the body:

1) Horseshoe shaped body.

2) A thin ring.

In many cases we can make shapes of bodies whose center of mass lies outside the body.

6 0
3 years ago
I'll mark brainliest
irga5000 [103]

Answer:

A) 35 ft

B) 5 ft

C) Net displacement = distance covered by the dog to retrieve the stick - distance covered before the dog starts chewing the stick

Explanation:

A) Total distance covered by the dog = 20 + 15

                                  = 35 ft

B) Since the other distance covered by the dog before chewing the stick, after the retrieval, was in an opposite direction to the initial direction, then;

total displacement of the dog = 20 - 15

                                  = 5 ft

C) Net displacement = distance covered by the dog to retrieve the stick + distance covered before the dog starts chewing the stick

But, displacement involves a specified direction. The distance covered before the dog starts chewing the stick was in an opposite direction to the initial direction.

Thus,

Net displacement = distance covered by the dog to retrieve the stick - distance covered before the dog starts chewing the stick

7 0
2 years ago
It is known that birds can detect the earth's magnetic field, but the mechanism of how they do this is not known. It has been su
san4es73 [151]

Answer:

EMF = 5.01 \times 10^{-4} Volts

Explanation:

Here we know that the EMF induced in this Field is given as

EMF = vBL

here B = perpendicular component of magnetic field

v = speed of the bird

L = length of the wings

now we have

B = 5\times 10^{-5} sin40

v = 13 m/s

L = 1.2 m

now we have

EMF = (13)(3.21 \times 10^{-5})(1.2)

EMF = 5.01 \times 10^{-4} Volts

8 0
3 years ago
You are holding a finishing sander with your right hand. THe sander has a flywheel which spins counterclockwise as seen from beh
ryzh [129]

Answer:

c. turn downward

Explanation:

From the information given:

To find the tendency of the sander;

We need to apply the right-hand rule torque; whereby we consider the direction of the flywheel, the direction at which the torque is acting, and the movement of the sander toward the right.

Since the flywheel of the sander is in counterclockwise movement, hence the torque direction will be outward placing on the wall. However, provided that the movement of the sander is toward the right, then there exists an opposite force that turns downward which showcases the tendency in the sander is downward.

3 0
3 years ago
Other questions:
  • The automobile has a weight of 2700 lb and is traveling forward at 4 ft>s when it crashes into the wall. If the impact occurs
    10·1 answer
  • A wheel of radius 14 inches is rotating 0.5 rad/s. what is the linear speed v, the angular speed in rpm, and the angular speed i
    13·1 answer
  • How does speed relate to motion energy?
    9·2 answers
  • What is the speed of a car in meters per second when it is moving at 100km/h?
    13·1 answer
  • One student made the incomplete diagram shown below to represent the relationship between igneous rocks, sediments, sedimentary
    14·1 answer
  • Please help me with this question
    11·1 answer
  • Difference between uniform motion and non uniform motion <br>​
    11·2 answers
  • The ratio of yellow bottles to green bottles is 3:7. If I have 50 bottles how many are yellow
    6·1 answer
  • Mention and explain Isaac Newton's three equations of motion and explain them​
    14·1 answer
  • A t-rated switch may be used to (its/a) ______ current capacity when controlling an incandescent lighting load.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!