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3 years ago

The Stronger the force that is exerted on an object,the ____ the change in velocity will be.

Physics

2 answers:

sesenic [268]3 years ago

7 0

Answer:

answer is stronger the change in velocity

leonid [27]3 years ago

5 0

osisisksj

#sorryneedpoints

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If Fnet=Fg, what is the magnitude and direction of the acceleration of the object? Assume that the object is on Earths surface

devlian [24]

Towards the ground level with acceleration 9.8m/s2

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3 years ago

A bead of mass 15g is sliding on a wire. It has a speed of 2.0m/s at A, and it stops as it reaches the point C. The length of th

umka2103 [35]

Answer:

.12 N

Explanation:

Velocity goes from 2 m/s to 0 m/s so average velocity = 1 m/s

.250 m / 1 m/s = .25 second to stop

change in velocity / change in time = accel

2 m/s / .25 sec = 8 m/s^2

F = ma

= .015 kg * 8 m/s^2 = .12 N

7 0

1 year ago

Determine the minimum amount of energy needed to move a satellite from its orbit around the Earth to an infinite distance from t

zmey [24]

Answer: $19.80\times 10^{10} J$

Explanation:

Given

mass of satellite $m=7.45 \times 10^3 kg$

orbital radius $R=7.50\times 10^6 m$

mass of Earth $M=5.97\times 10^{24} kg$

Minimum amount of Energy to move Satellite from its orbit to an infinite distance is sum of Potential Energy + Kinetic Energy of Satellite

$W=U+K.E.$

$U=-G\frac{Mm}{R}$

$U=-6.67\times 10^{-11}\times \frac{5.97\times 10^{24}\times 7.45 \times 10^3}{7.50\times 10^6}$

$U=-\frac{296.658\times 10^{16}}{7.5\times 10^6}$

$U=-39.55\times 10^{10} J$

$K.E.=\frac{1}{2}\times mv^2$

Where $v=orbital\ velocity$

$v=\sqrt{\frac{GM}{r}}=\sqrt{\frac{6.67\times 10^{-11}\times 5.97\times 10^{24}}{7.50\times 10^6}}$

$v^2=5.30\times 10^7 m/s$

$K.E.=\frac{1}{2}\times mv^2$

$K.E.=\frac{1}{2}\times 7.45\times 10^3\times (5.30\times 10^7)=19.74\times 10^{10} J$

$W=-39.55\times 10^{10}+19.74\times 10^{10}$

$W=-19.80\times 10^{10} J$

i.e. $19.80\times 10^{10} J$ Energy is required to provide to move Satellite out of its orbit

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3 years ago

Which subatomic particle can be absent from an atom?

Alika [10]

Neutron can be absent

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3 years ago

How is a plant able to cycle matter through the processes of cellular respiration and photosynthesis?

MissTica

The carbon cycle refers to the processes by which carbon in the biosphere is recycled. Photosynthesis sucks carbon dioxide out of the atmosphere, while cellular respiration releases it into the environment. Photosynthesis is the process by which solar energy reaches a plant and is converted into glucose.

How photosynthesis and cellular respiration are similar:

Photosynthesis is a method by which plants and other organisms transform light energy into chemical energy, which is then released to fuel the organism's metabolic activities through cellular respiration.

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3 years ago