Answer:
Step-by-step explanation:
<u>Linear Momentum
</u>
The momentum of a system of masses m1,m2,m3... with speeds v1,v2,v3,... is given by
When some interactions take place into the system of masses with no external forces interferring, the total momentum is not changed, which means that if the new speeds are v1', v2', v3'... then:
The problem relates the story of Batman (m1=100kg) who is initially assumed at rest and lands on a boat with mass m2=580 kg initially moving at 14 m/s to the positive reference. When the collision takes place, both masses join and a common speed 
is achieved by the common mass. Applying the conservation of momentum, we have
Since 
Solving for
The answer is D.
Hopefully this helps! :)
Answer:13.5 inches
Step-by-step explanation:
Here, the volume of a right circular cone varies jointly as the altitude and the square of the radius of the base
So our equation for volume becomes
V = c*h*r^2
where 'h' is altitude and 'r' is radius of base and 'c' is constant
Putting the value of V,h,r,
we get,
154 = c*12*3.5*3.5
c = 22/21
Now we have volume = 77 cu and radius of the base =7/3, so putting the values we get,
77 = 22/21*h*7/3*7/3
or, h= 13.5
Hope it helps!!!
slope = m = 3/4
Point(4, -6)
Line equation in slope intercept form: y = mx + b
In this case we know m = 3/4, so we have to find "b" using the point coordinates:
y = (3/4)x + b
-6 = (3/4)4 + b
-6 = 3 + b
b = -6 -3 = -9
b = -9
Line equation: y = (3/4)x - 9
Answer:
y = (3/4)x - 9
Answer:
X=1
Step-by-step explanation:
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