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Aleksandr-060686 [28]
3 years ago
6

What is the mass of a crate if a force of 200 N causes t to accelerate at 8 ms? (Formula F=ma)

Physics
2 answers:
oee [108]3 years ago
6 0
Hey there! :D

Plug in what you know. 

F=ma

F= force m= mass a= acceleration 

200 N= m*8 ms

Divide both sides by 8. 

m= 25

The mass is 25. 

I hope this helps!
~kaikers 
Elden [556K]3 years ago
6 0
Here's what you know:
F = 200 N
a = 8 m/s^2

now, plug those numbers into the formula (f=ma) to get:
200 = m(8)

to solve for m, divide both sides by 8
Answer: 25

hope i helped :3
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Answer:

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Explanation:

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At its peak, a tornado is 53.0 m in diameter and carries 465-km/h winds. What is its angular velocity in revolutions per second?
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Answer:

0.7757 rev/s

Explanation:

d = Diameter of the tornado = 53 m

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Angular velocity

\omega=\frac{v}{r}\\\Rightarrow \omega=\frac{\frac{775}{6}}{26.5}\\\Rightarrow \omega=4.87\ rad/s

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A car transports its passengers between 3 buildings. It moves from the first building to the second building, 4.76km away, in a
BigorU [14]

Answer:

1) a = 6.14 km

2) b = 4.69 km

Explanation:

Let the first building be A, second building be B and third building be C.

Now, bearing of A = 4.76 km in a direction 37° north of east

Bearing of B = 69° west of north

Bearing of C = 28° east of south

Thus if this 3 points form a triangle, we will have the following angles;

Angle at point A = 28 + (90 - 37) = 81°

Angle at point B = 28 + (90 - 69) = 49°

Angle at point C = 180 - (81 + 49) = 50°

Now, the distance between second and third building is "a" which is represented by BC in the triangle attached while the given distance of 4.76 represents side AB. Thus;

Using sine rule, we can find "a".

a/sin 81 = 4.76/sin 50

a = 6.14 km

B) distance between first and third building is AB in the triangle depicted by "b".

Similar to the first problem, we will use sine rule again.

b/sin49 = 4.76/sin 50

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