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maria [59]
2 years ago
10

15) What is the momentum of a 280 kg motorcycle moving with a velocity of 15 m/s?

Physics
1 answer:
enot [183]2 years ago
6 0

Answer:

..

Explanation:

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A 4.0 kg object will have a weight of approximately 14.8 N on Mars. What is the gravitational field strength on M
Pie

Answer:

Gravitational field strength =weight/mass

Explanation:

14.8N/4.0kg

3.7N/kg

3 0
2 years ago
A man in a strength competition pulls an 18-wheel truck 3.10 m in 20.5 s. There is a cable that is attached to his body that exe
larisa [96]

Answer:

114.32195122 but Round your answer to three significant figures.) is 114

Explanation:

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4 0
3 years ago
A 3.00N rock is thrown vertically into the air from the ground. At h=15.0m, v=25m/s upward. Use the work-energy theorem to find
butalik [34]

Answer:

so initial speed of the rock is 30.32 m/s

correct answer is b. 30.3 m/s

Explanation:

given data

h = 15.0m

v = 25m/s

weight of the rock m = 3.00N  

solution

we use here work-energy theorem that is express as here

work = change in the kinetic energy    ..............................1

so it can be written as

work = force × distance     ...................2

and

KE is express as

K.E = 0.5 × m × v²  

and it can be written as

F × d = 0.5 × m × (vf)² - (vi)²      ......................3

here

m is mass and vi and vf is initial and final velocity

F = mg = m  (-9.8)  , d = 15 m and v{f} = 25 m/s

so put value in equation 3 we get

m  (-9.8) × 15 = 0.5 × m × (25)² - (vi)²

solve it we get

(vi)² =  919

vi = 30.32 m/s

so initial speed of the rock is 30.32 m/s

5 0
3 years ago
Please answer all of these questions and you will get the brain list
pogonyaev

Answer:

1=900j

2=140j

3=5m

Explanation:

1,

work=force×displacement

w=450×2

w=900j

2,

w=f×s

w=70×2

w=140j

3,

w=f×s

200=40×s

200/40=s

s=5m

6 0
3 years ago
The biological levels of organization range from a single organelle all the way up to the biosphere in a highly structured hiera
Lemur [1.5K]

Answer:

A) R makes up Q which makes up P which makes up S.

B) Cells that work together make up tissues, which comprise organs.

D) In the model, the animal cells make up tissues such as muscle or connective tissue.

E) Organs, such as the stomach and intestines, make up organ systems which interact with one another to maintain homeostasis.

Explanation: I just got it right

5 0
3 years ago
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