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3 years ago

5. You require a high-current battery to start a large tractor. While shopping

Physics

1 answer:

Yakvenalex [24]3 years ago

3 0

Answer:

I have no clue sorry I wish I could help

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Which characteristic should a good scientific question have? A) It should lead to a hypothesis that is not testable. B) it shoul

yarga [219]

Answer:

B. IT should have a very broad focus with many variables.

4 0

3 years ago

A person is standing on a level floor. His head, upper

BabaBlast [244]

Answer:

$y_{cg} = 1.03 m$

Explanation:

Given data:

weigh (head+arms + head) w_1 = 438 N

centre of gravity y_1= 1.28 m

weigh (upper leg) w_2 = 144 N

Center of gravity y_2 = 0.760 m

weigh ( lower leg + feet) = 87 N

centre of gravity = y_3 = 0.250 m

location of center of gravity $= \frac{w_1 y_1 + w_2 y_2 + w_3 y_3}{w_1 +W_2 +w_3}$

$y_{cg} = \frac{438 \times 1.28 + 144\times 0.760 + 87 \times 0.250}{438+144+87}$

$y_{cg} = 1.03 m$

8 0

4 years ago

A crate required 900 newtons (N) of force to lift. The crate was lifted by a forklift with an engine that provided 225 N of forc

Alenkinab [10]

The mechanical advantage of the forklift is calculated to be 4.

<h3>MECHANICAL ADVANTAGE:</h3>

The mechanical advantage of a machine can be calculated by dividing the load (F) by effort (F). That is;

M.A = Load/Effort

According to this question, a crate required 900 newtons (N) of force to lift. The crate was lifted by a forklift with an engine that provided 225 N of force. The mechanical advantage is calculated as follows:

M.A = 900N ÷ 225N

M.A = 4.

Therefore, the mechanical advantage of the forklift is calculated to be 4.

Learn more about mechanical advantage at: brainly.com/question/10221970

6 0

3 years ago

Which object(s) formed last in our solar system?

alexira [117]

Answer:

first option bro

Explanation:

by the way if you play free fire give me your uid on the comment section

5 0

4 years ago

One person drives 60,000 miles in a car that averages 30 miles per gallon (mpg), while another person drives 60,000 miles in a c

Solnce55 [7]

Answer:

20000 pounds

Explanation:

Generally 1 gallon of fuel burnt gives of 20 pounds of CO₂

Difference in the gallons of fuel burnt

$\dfrac{60000}{20}-\dfrac{60000}{30}=1000\ gal$

The 20 mpg car burns 1000 gallons of fuel more than the 30 mpg car

The amount of CO₂ would be

$1000\times 20=20000\ pounds$

The fewer pounds that the 30 mpg car would release is 20000 pounds

4 0

3 years ago