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4 years ago

The net force on any object moving at constant velocity is

Physics

1 answer:

aniked [119]4 years ago

5 0

Zero as thrust force is balanced with friction or drag force

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Please helppppppppppppp

miskamm [114]

Force, F = 15 N
Mass,m = 3 kg
Time taken, t = 5 sec
(v-u) =?

<u>As we know </u>–

$\qquad$ $\purple{\bf \twoheadrightarrow F = m a }$

$\qquad$ $\bf \twoheadrightarrow F = m \dfrac{ v-u}{t}$

$\qquad$ $\sf \twoheadrightarrow 15 = 3 \times \dfrac{v-u}{5}$

$\qquad$ $\sf \twoheadrightarrow 3 \times \dfrac{v-u}{5} = 15$

$\qquad$ $\sf \twoheadrightarrow \dfrac{3}{5} \times (v-u) = 15$

$\qquad$ $\sf \twoheadrightarrow (v-u)= 15 \times \dfrac{5}{3}$

$\qquad$ $\sf \twoheadrightarrow (v-u)= \cancel{15} \times \dfrac{5}{\cancel{3}}$

$\qquad$ $\sf \twoheadrightarrow v-u = 5 \times 5$

$\qquad$ $\purple{\bf \twoheadrightarrow v-u = 25 }$

Henceforth, the change in the speed of the body is 25 m/s.

8 0

3 years ago

Exercise should challenge your body and be at a greater intensity than your usual bif daily activity. Discuss

vekshin1

Answer:

A fan pushes hot air out of a vent and into a room. The hot air displaces cold air in the room, causing the cold air to move closer to the floor.

The hot air displacing the cold air is an example of transfer by

Explanation:

4 0

4 years ago

(03.04 MC)

weqwewe [10]

Answer:

1/4

Explanation:

If the distance between two charges is doubled, the attraction of repulsion between the two becomes weaker, and decreases to 1/4 of the original value.

4 0

3 years ago

An electromagnetic wave is able to produce both an electric field and a magnetic field because

insens350 [35]

Answer:

<h3><u>Definition: Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields. ... They are deflected neither by the electric field, nor by the magnetic field.</u></h3>

Explanation:

mark brainliest

8 0

3 years ago

Ten students stand in a circle and are told to make a transverse wave. What best describes the motion of the students? Each stud

Bond [772]

Lifting hands and the down by one student at a time best describe the presentation of the transverse wave by students. Option D is correct.

<h3>What is a Transverse wave?</h3>

The wave in which the oscillation of particles is is perpendicular to the direction of energy transfer.

The students can make a transverse wave by raising their hands up and then down, one student at a time.

The raised hand represents the oscillation of particles while the sequence of the raising hand represents the direction of energy transfer.

Therefore, lifting hands and the down by one student at a time best describe the presentation of the transverse wave by students.

Learn more about Transverse waves:

brainly.com/question/3813804

3 0

3 years ago

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