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sattari [20]
3 years ago
12

True or False: Buoyancy is an upwards force measured in Newtons.

Physics
2 answers:
Alex73 [517]3 years ago
6 0

Answer:

true

Explanation:

sashaice [31]3 years ago
5 0
That is true, buoyancy is an upwards force measured in newton’s
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When you drop a 0.43 kg apple, Earth exerts
N76 [4]

The magnitude of the Earth's acceleration is 7.0\cdot 10^{-25} m/s^2

Explanation:

First of all, we start by calculating the magnitude of the force exerted by the apple on the Earth. According to Newton's third law, this is equal to the force exerted by the Earth on the apple, which is the weight of the apple, given by:

F=mg

where

m = 0.43 kg is the mass of the apple

g=9.8 m/s^2 is the acceleration of gravity

Substituting,

F=(0.43)(9.8)=4.2 N

Now we can find the Earth's acceleration by applying Newton's second law:

F=Ma

where:

F = 4.2 N is the net force exerted by the apple on the Earth

M=5.98\cdot 10^{24} kg is the mass of the Earth

a is the Earth's acceleration

And solving for a, we find:

a=\frac{F}{M}=\frac{4.2}{5.98\cdot 10^{24}}=7.0\cdot 10^{-25} m/s^2

Learn more about Newton laws of motion:

brainly.com/question/3820012

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8 0
4 years ago
What is the scientific definition of tracked?
dexar [7]
To find or discover by investigation?
8 0
3 years ago
60. The label on a box of cereal gives the mass of cereal in two units: 978 grams and 34.5 oz. Use this information to find a co
Anastaziya [24]

Answer : The mass of cereal in two units are, 34.815 oz and 978.075 grams respectively.

Explanation :

As there are two systems for measuring the units which are English and Metric system.

The Metric System measured the things in meters, grams, liters, etc and adds prefixes like kilo, milli and centi to the count orders of the magnitude.

The English system measured the things in feet, inches, pounds, mile, etc.

As we are given the mass of cereal in 978 grams that means 987 grams is in metric unit. Now we have to convert metric unit into English unit.

Conversion factor used :  (1 oz = 28.350 g)

As, 28.350 grams = 1 oz

So, 987 grams = \frac{987\text{ grams}}{28.350\text{ grams}}\times 1oz

                        =  34.815 oz

As we are given the mass of cereal in 34.5 oz that means 34.5 oz is in metric unit. Now we have to convert metric unit into English unit.

Conversion factor used :  (1 oz = 28.350 g)

As, 1 oz = 28.350 grams

So, 34.5 oz = \frac{34.5\text{ oz}}{1\text{ oz}}\times 28.350\text{ grams}

                  =  978.075 grams

Therefore, the mass of cereal in two units are, 34.815 oz and 978.075 grams respectively.

7 0
3 years ago
When the forces applied to an object act in the same direction, the net force is
love history [14]
Sum of the individual forces
5 0
3 years ago
Plsssss HELLPPP ILL MARK BRAINLIESTTTTTT PROMISE
11111nata11111 [884]

Answer:

Nuclear Reaction

Explanation:

Technically fusion and fission should be included, but a nuclear reaction includes both fusion and fission, so it must be the answer.

6 0
4 years ago
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