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3 years ago

The nuclear particle carrying a charge of +1e is the

Physics

2 answers:

babunello [35]3 years ago

6 0

The nuclear particle is a proton

aalyn [17]3 years ago

6 0

Inside the nucleus only two particles are present

1. Neutrons

2. Protons

These are also known as nucleons as combined

neutrons are chargeless and having mass same as that of protons while protons are positively charged particles and its charge is same in magnitude as that of electrons

SO the charge given here is +1e which means the magnitude of charge is same as the magnitude of electron but it is a positive charge

<u>so it must be proton</u>

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Convert 68852 millijoules into Calories. (Write your answer in the decimal form. Do not include units in your answer).

alex41 [277]

Answer: 68852 millijoules = 16.46 calories

Explanation:

Given;

Convert 68852 millijoules to calories.

1 calorie = 4.184J = 4184millijoules

Therefore,

1 millijoule = 1/4184 calories

68852 millijoule = 68852 × 1/4184 calories

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3 years ago

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Answer:

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3 years ago

In 0.60 seconds, a projectile goes from 0 to 610 m/s. What is the acceleration of the projectile?

IceJOKER [234]

Answer: $a=1016.66 m/s^{2}$

Explanation:

Acceleration $a$ is expressed in the following formula:

$a=\frac{V_{f}-V_{o}}{t}$

Where:

$V_{f}=610 m/s$ is the final velocity of the projectile

$V_{o}=0 m/s$ is the initial velocity of the projectile

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$a=\frac{610 m/s-0 m/s}{0.6 s}$

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3 years ago

A cart is pulled by a force of 250 N at an angle of 35° above the horizontal. The cart accelerates at 1.4 m/s2. The free-body di

Pachacha [2.7K]

Answer:

m=146.277kg which is rounded to 146kg

Explanation:

Remember that F=ma

But F represents not 250N, but 250cos(35)N since the force is being pulled above the horizontal.

So 250cos(35)=204.7880111 approximately, and since a=1.4m/s^2, we have 204.7880111=m(1.4m/s^2). Then we divide both sides by the acceleration to get the mass. So m=146.2771508kg which the nearest number is 146kg

Mass is always in kg, unless stated otherwise.

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3 years ago

Read 2 more answers

A man has a mass of 66 kg on the earth. What is his weight.

LUCKY_DIMON [66]

Since force = mass X acceleration, then the force he excerts on the earth (aka his weight) equals his mass times the force of gravity.

Therefore
W = (66 kg) X (9.8 m/ss)
W = 646.8 kgm/ss

kg m/ss are also known as Newtons, so your answer is...

646.8 N

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3 years ago