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3 years ago

30 POINTS!!!! PLEASE HELP ME!!!!!

Physics

1 answer:

aksik [14]3 years ago

3 0

Answer:

left column: If you can see some animals, you may see a bird with a fruit or nut in its beak. Once it lets go of the object, it drops due to gravity. If a fruit drops from a tree with examples like in Newton's famous example, it is also due to gravity.

Explanation:

withxamples too.)Right column: Think about it like the moon, you wouldn't be able to walk, just float around. If to simply try to put food on a plate, it wouldn't stay. Sitting down at your table to attend class. You'd float away along with your laptop.(you come up wiht e

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What is the resistance of a toaster that uses 2A when connected to a 120V power source?

denis23 [38]

Answer:

60 ohms

Explanation:

From Ohm's Law:

V = IR

Where V = 120volts

I = 2A

R = ?

Note that R,V and I represents resistance, voltage and current respectively.

Substituting the above values into the formula.

V = IR

120v = 2×R

120= 2R

Making R the subject

R =120/2

R = 60 ohms

Hence the resistance of the toaster will be 60 ohms.

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3 years ago

A baseball with a mass of 0.8 kg is moving at asperd of 45.0 m/s . what is the baseballs kinetic energy

Valentin [98]

Answer:

0.5*0.8*45^2. =810J

Explanation:

KE=1/2 mv^2

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3 years ago

g A small object of mass 2.5 g and charge 18 uC is suspended motionless above the ground when immersed in a uniform electric fie

kvasek [131]

Answer: $1361.11\ N/C,\text{upward}$

Explanation:

Given

Mass of particle is $m=2.5\ gm$

Charge of particle is $q=18\ \mu C$

Electrostatic force must balance the weight of the particle

$\lim_{n \to \infty} a_n \Rightarrow mg=qE\\\\\Rightarrow E=\dfrac{2.5\times 9.8\times 10^{-3}}{18\times 10^{-6}}\\\\\Rightarrow E=1361.1\ N/C$

Direction of the electric field is in upward direction such that it opposes the gravity force.

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3 years ago

The distance and displacement of a object in motion can be the same (true or false)

Rasek [7]

Aswer:

False, the values of the distance traveled and the displacement only coincide when the trayectorie is a straight line. Otherwise, the distance will always be greater than the offset.

Although these terms are used synonymously in other cases, they are totally different. Since the distance that a mobile travels is the equivalent of the length of its trajectory. Whereas, the displacement will be a vector magnitude.

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3 years ago

Formula for finding displacement

FrozenT [24]

Displacement = (final position) - (initial position) = change in position.

HOPE IT HELPS YOU

5 0

4 years ago

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