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ss7ja [257]
2 years ago
8

Difference between load and effort​

Physics
1 answer:
Mashutka [201]2 years ago
3 0
Answer. Is that load is a burden; a weight to be carried while effort is the work involved in performing an activity; exertion.
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(6) A 75 kg human total footprint area is 0.05 m2 when wearing winter boots. Suppose that you want to walk on snow that can at m
fredd [130]

Answer:

0.25m²

Explanation:

We know that the summation of forces in the vertical direction is zero

So

PA-mg=0

A=mg/p

So

Substituting

A= 75* 9.8/3*10^-3

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3 0
3 years ago
If a ball rolls off a 4m high table at 7m/s, how long will it take until it hits the floor
Semenov [28]
It will take at least 0.8
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3 years ago
The apparent weight of a student in alift is 564N . if the mass of the student is 60.3kg, what is the acceleration of the lift ?
Yuki888 [10]

Answer:

-.457 m/s^2

Explanation:

Actual weight =   60 .3 (9.81) = 591.54 N

Accel of lift changes this to    60.3 ( 9.81 - L)     where L - accel of lift

                                           60.3 ( 9.81 - L ) = 564

                                               solve for L = .457 m/s^2  DOWNWARD

                                                        so L = - .457 m/s^2

4 0
2 years ago
An airplane is cruising at an altitude of several kilometers. The pressure outside the craft is 0.258 atm within the passenger c
garik1379 [7]

Answer:

<em>The speed of the stream of air flowing through the leak is 340.754 m/sec</em>

Explanation:

Carefully applying the Bernoulli's equation the speed of the leak can be obtained. The attached images show step by step explanation of the question, while applying the Bernoulli's equation;

8 0
3 years ago
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Sidana [21]
You don't count trailing zeros. A.29.3
8 0
3 years ago
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