Answer / Explanation:
To solve this question,
Let us recall the Sine Rule and assuming we have an angle of θ.
Then it states thus:
sin θ / 750
Therefore, Sin 30⁰/ 700
: θ / 750 = Sin 30⁰/ 700
θ = 36.87
Now that we have θ, we can figure out ∅
Therefore,
∅ = 180° − (30 ° + 36.87°
)
Recalling that all interior angles in a triangle must add up to 180°
Therefore,
∅ = 113.13°
Now that we have both θ and ∅, we can go further to use the law of sines to find Fr.
Therefore,
Fr/Sin 113.13° = 700 / Sin 30 °
Fr = 919.61 Newton
Answer:
10 kg
Explanation:
p=ma
25=2.5m
m=25/2.5
m=10 kg
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Answer: D. 10 degree angle
All places on Earth
received sunlight but in different angles. The smallest area, which is the
north of the Arctic Circle receive sunlight at a 10 degree angle because of the tilted axis
of rotation. Usually, the sun’s
rays are the most intense at the equator and the least intense at the poles as
Earth revolves around the sun.
Answer:
The center of mass of the two-block system is staying the same and it can be explained with the help of linear momentum equation.
Explanation:
The center of mass of the two-block system is staying the same and it can be explained with the help of linear momentum equation.
Equation:
P=mv
This equation holds if no external force is acting on the system it means the momentum of the system is constant.
In our case, there is no external force which means the total momentum of system is constant:
P=constant
Total mass of system is also constant:
m=constant
It means the velocity of the system is constant (from above equation) thus center of mass of the two-block system is staying the same