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3 years ago

An object with a mass of 300 kg is

Physics

2 answers:

ankoles [38]3 years ago

7 0

Answer:

m= 300

a= 4ms

f = ma

= 300×4

= 1200N

bixtya [17]3 years ago

5 0

Answer: F = 1200 N

Explanation:

Hey there!

It is given that,

Mass of the object, m = 300 kg

Acceleration of the object when it is moving, $a = 4m/s^{2}$

If F is the force required to produce this acceleration. It is given by using the second law of motion as :

Calculations

F = m × a

F = 300 kg × $4m/s^{2}$

F = 1200 N

So, the force required to produce this acceleration is 1200 N. Hence, this is the required solution.

~I hope I helped you! :)~

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Read 2 more answers

a hunter 412.5m from a cliff moves a distance x towards the cliff and fires a gun. he hears the echo from the cliff after 2.2sec

Inessa [10]

Answer: 49.5 m

Explanation:

The speed of sound $s$ is given by a relation between the distance $d$ and the time $t$ :

$s=\frac{d}{t}$ (1)

Where:

$s=330 m/s$ is the speed of sound in air (taking into account this value may vary according to the medium the sound wave travels)

$d=412.5 m-x$ since we are told th hunter was initially 412.5 meters from the cliff and then moves a distance $x$ towards the cliff

$t=\frac{2.2 s}{2}=1.1 s$ Since the time given as data (2.2 s) is the time it takes to the sound wave to travel from the hunter's gun and then go back to the position where the hunter is after being reflected by the cliff