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Serggg [28]
3 years ago
9

The acceleration due to gravity for any object, including 1 washer on the string, is always assumed to be m/s2

Physics
2 answers:
7nadin3 [17]3 years ago
7 0

Answer:

10 m/s2

Explanation:

MArishka [77]3 years ago
6 0

Answer:

The value of acceleration due to gravity on all objects near the surface of earth will be 9.8 m/s/s or 10 m/s/s(approx)

Explanation:

here we know that all objects near the surface of earth will experience the force of gravity towards the center of earth.

this force of gravity is given as

F = mg

now to find the acceleration due to this force we can say

a = \frac{F}{m}

here we will have

a = \frac{mg}{m}

a = g = 9.8 m/s^2 or 10 m/s^2

so acceleration due to gravity for all objects near the earth surface is nearly same or constant

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How is the structure of an atom best described?
kondor19780726 [428]
Atoms is basic particles ,electrons,neutrons and the Regions of the atom are called electron shells and contain the electrons. So “a neutral core surrounded by mostly empty space”sounds pretty sure to me :)
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2 years ago
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A body travels 30m in 5s, 45m in 7s and then 65m in the last 5s. Find the average speed of the body
JulijaS [17]
We can find the average speed of the body by finding the total distance covered, and then dividing it by the total time of the motion.

The total distance covered is:
S=30 m + 45m+65m=140 m

while the total time of the motion is
t=5 s+7s+5 s=17 s

So, the average speed of the body is:
v= \frac{S}{t}= \frac{140 m}{17 s}=8.24 m/s
8 0
3 years ago
Consider the following examples of homeostatic regulation: In response to an increase in plasma K concentrations, secretion of t
TiliK225 [7]

Answer:

Both are examples of negative feedback regulation.

Explanation:

The maintenance of the homeostasis in the body is controlled by the the feedback regulation of the body. Two main types of feedback regulation are positive regulation and negative regulation.

The negative regulation occurs when the final product of the reactions inhibits the further secretion of that product. In the given examples of aldosterone and calcium mechanism, the secretion of aldosterone and calcium decreases as the normal levels are acheived in the body.

Thus, the answer is both are examples of negative feedback regulation.

5 0
3 years ago
Between the ball and the player’s head, there are forces. Which of Newton’s laws does this represent? Support your choice.
REY [17]

Answer:

According to Newton's third law

Explanation:

7 0
2 years ago
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A potter's wheel has the shape of a solid uniform disk of mass 13.0 kg and radius 1.25 m. It spins about an axis perpendicular t
Fittoniya [83]

Answer:10.82 kg-m^2

Explanation:

Given

Mass of solid uniform disk M=13 kg

radius of disk r=1.25 m

mass of lump m=1.7 kg

distance of lump from axis r_0=0.63

Moment of inertia is the distribution of mass from the axis of rotation

Initial moment of inertia of disk I_1=\frac{Mr^2}{2}

I_1=\frac{13\times 1.25^2}{2}=10.15 kg-m^2

Final moment of inertia I_f=Moment of inertia of disk+moment of inertia of lump about axis

I_f=\frac{Mr^2}{2}+mr_0^2

I_f=10.15+1.7\times 0.63^2

I_f=10.15+0.674

I_f=10.82 kg-m^2

3 0
3 years ago
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