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anyanavicka [17]
3 years ago
12

What is the acceleration due to gravity? А B 9.2 12.3 С 8.83 D 9.81

Physics
1 answer:
SCORPION-xisa [38]3 years ago
8 0
Correct answer:

D) 9.81

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The radius of the planent venus is nearly the same as that of the earth,but its mass is only eighty percent that of the earth. I
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Weight=mg
g=GM/r^2
g on venus is 0.80w as radius is kept constant
m of object is kept constant
w α g
w(venus( is 0.8w

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3 years ago
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A mover pushes a 46.0kg crate 10.3m across a rough floor without acceleration. How much work did the mover do (horizontally) pus
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Answer:

<h3>2,321.62Joules</h3>

Explanation:

The formula for calculating workdone is expressed as;

Workdone = Force * Distance

Get the force

F = nR

n is the coefficient of friction = 0.5

R is the reaction = mg

R = 46 ( 9.8)

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F = 0.5 * 450.8

F = 225.4N

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Workdone = 225.4 * 10.3

Workdone  = 2,321.62Joules

<em>Hence the amount of work done is 2,321.62Joules</em>

3 0
3 years ago
Define what is meant by restrictive interventions
zzz [600]
Medical movement for disabilities people
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4. A businesswoman on a trip flies a total of 23,000 km. The first day she traveled 4000 km, the second day 11,000 km, and on th
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Answer:

14.035087719298246 ≈ 14 hours

Explanation:

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3 years ago
A space probe is coasting through space at a steady speed of 100p feet per second. the booster rocket fires for 1/2 seconds so t
aleksandr82 [10.1K]

Answer:

Acceleration: 9800 ft/s^2

Explanation:

The acceleration of an object is equal to the rate of change of velocity:

a=\frac{v-u}{t}

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v is the final velocity

t is the time taken for the velocity to change from u to v

For the space probe in this problem, we have:

u = 100 ft/s (initial velocity)

v = 5000 ft/s (final velocity)

t = 0.5 s (time taken)

Therefore, the acceleration is

a=\frac{5000-100}{0.5}=9800 ft/s^2

6 0
3 years ago
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