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3 years ago

A projectile is A projectile is defined as:

Physics

2 answers:

Assoli18 [71]3 years ago

7 0

<h2>Answer:</h2><h3>A projectile:</h3>

<em>A projectile is an object that once anticipated or dropped proceeds in movement by its own inertia and is affected just by the descending power of gravity.</em>

For example, you throw the ball straight upward and give them initial energy,It will on the earth making a projectile or parabola, because force of gravity acts downward force on it. Making it to follow the semi circular path.

nignag [31]3 years ago

3 0

A projectile is defined as, Defenition 1: a(n) object fired from a gun with a(n) explosive propelling charge, such as bullet, shell, rocket or grenade. Definition 2: a body projected or impelled forward, as through the air. Hope that helped, had to whip out my trusty dictonary for the first one. LOL.

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If a train going 60 m/s hits the brakes, and it takes the train 85 seconds to stop, what is

Anvisha [2.4K]

Question :-

If a Train going with 60 m/s Speed hits the Brakes, and takes 85 sec to stop. What is the Acceleration of the Train ?

Answer :-

Acceleration of Train is 0.70 m/s² .

Explanation :-

As per the provided information in the given question, we have been given that the Speed of the Train is 60 m/s . Time taken to stop the Train is 85 sec . And, we have been asked to calculate the Acceleration of the Train .

For calculating the Acceleration , we will use the Formula :-

$\bigstar \: \: \: \boxed { \sf{ \: Acceleration \: = \: \dfrac{v \: - \: u}{t} \: }} \\$

Where ,

V denotes to Final Velocity .
U denotes to Initial Velocity .
T denotes to Time Taken .

Therefore , by Substituting the given values in the above Formula :-

$\dag \: \: \: \: \sf{Acceleration \: = \: \dfrac{Final \: Velocity \: - \: Initial \: Velocity}{Time} } \\$

$\longmapsto \: \: \: \sf{Acceleration \: = \: \dfrac{0 \: - \: 60}{85} } \\$

$\longmapsto \: \: \: \sf{Acceleration \: = \: \dfrac{60}{85} } \\$

$\longmapsto \: \: \: \textbf {\textsf {Acceleration \: = \: 0.70 }}$

Hence :-

Acceleration = 0.70 m/s² .

$\underline {\rule {210pt} {4pt}}$

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3 years ago

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Answer:

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Explanation:

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