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Strike441 [17]
3 years ago
13

The pitch of a sound wave is its wavelength True or false

Physics
2 answers:
BlackZzzverrR [31]3 years ago
5 0

Answer:

False

Explanation:

its false

asambeis [7]3 years ago
4 0

False, the pitch of a sound wave is NOT its wavelength

The pitch of sound is akin to frequency. This can be defined as the time that is taken by a wave to complete one cycle (wavelength).

Explanation:

While frequency and wavelength of a wave are related, the relative pitch of the sound can change without changing the wavelength of the wave. An example of this phenomenon is when you hear a wailing ambulance approaching you. The pitch is high as it approaches you but the pitch lowers when it passes you and teh ambulance moves away from you. The wavelength of  sound waves did not change but the compression and stretching of the sound wavelengths, respectively, caused the difference in the pitch of the sound.

Learn More:

For more on sound pitch;

brainly.com/question/1621941

brainly.com/question/1509263

#LearnWithBrainly

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U.
victus00 [196]

Answer:

1. F and G.

2. D

3. A and E.

4. B

5. C

Explanation:

1. Acceleration: An increase in a body's velocity. An increase in a body's speed.

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

2. Kinematics: a study of moving bodies i.e physical objects in motion.

Motion can be defined as a change in the location (position) of a physical object or body with respect to a reference point.

This ultimately implies that, motion would occur as a result of a change in location (position) of an object with respect to a reference point or frame of reference i.e where it was standing before the effect of an external force.

3. Inertia: A tendency of a body to keep moving. A state of balance of forces on a body and the body remains either at rest or in uniform motion.

Inertia can be defined as the tendency of an object or a body to continue in its state of motion or remain at rest unless acted upon by an external force.

In physics, Sir Isaac Newton's First Law of Motion is known as Law of Inertia and it states that, an object or a physical body in motion will continue in its state of motion at continuous velocity (the same speed and direction) or, if at rest, will remain at rest unless acted upon by an external force.

4. Velocity: Fastness and direction of a body.

Velocity can be defined as the rate of change in displacement (distance) with time. Velocity is a vector quantity and as such it has both magnitude and direction.

5. Reaction: an opposite force.

Newton's third law of motion states that for every action there is an equal and opposite reaction.

Action-reaction force pairs make it possible for fishes to swim, birds to fly, cars to move, etc.

7 0
3 years ago
What are the strength and direction of an electric field that will balance the weight of a 0.9 g plastic sphere that has been ch
Vladimir79 [104]
(a) The force exerted by the electric field on the plastic sphere is equal to
F=qE
where q=-3.4 nC=-3.4 \cdot 10^{-9} C is the charge of the sphere and E is the strength of the electric field. This force should balance the weight of the sphere:
F=mg =0.9 g
where m is the mass of the sphere and g is the gravitational acceleration.

Since the two forces must be equal, we have:
qE=mg
and so we find the intensity of the electric field
E= \frac{mg}{q}= \frac{0.9 \cdot 9.81 m/s^2}{3.4 \cdot 10^{-9} C} =2.6 \cdot 10^9 N/C

(b) Now let's find the direction of the field. The electric force must balance the weight of the sphere, which is directed downward, so the electric force should be directed upward. Since the charge is negative, the force is opposite to the electric field direction, and so the direction of the electric field is downward.
4 0
3 years ago
PLEAS HURRY :) 10 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER
stiks02 [169]

Answer:

They conduct thermal energy from inside the house and release it outside the house. ... It reduces the amount of thermal energy that is transferred from outside to inside the container

3 0
3 years ago
Read 2 more answers
A body of mass 120 g is taken vertically upwards to reach the height of 5m,claculate work done
Anuta_ua [19.1K]

FOLLOW ME FOR CLEARING YOUR NEXT DOUBT

3 0
3 years ago
Assignment 10 Coulombic Equation Practice Directions: Complete the following problems to calculate the electrostatic force that
Tatiana [17]

Answer:

Magnitude of the force between the charges is F = 1.92×10^20N

Explanation:

Given the magnitude of force according to coulombs law

F =K[(q1*q2)/r2]

Where q1 and q2 are the charges

r is the distance between the charges

K is the coulombs constant

Substituting the given values, we have;

F = 8.98×10^9 × 1.5×10^6 × 3.2×10^4/1.5²

F = 43.1×10^19/2.25

F = 19.16×10^19N

F = 1.92×10^20N

8 0
3 years ago
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