Answer:
4 m/s
Step-by-step explanation:
A bird is flying to the right when a gust of wind causes the bird to accelerate leftward at 0.5 m/s^2 for 3 s. After the wind stops, the bird is flying to the right with a velocity of 2.5 m/s.
Assuming the acceleration from the wind is constant, what was the initial velocity of the bird before the gust of wind?
Let say Initial Velocity of Bird = U m/s
Final Velocity of Bird V = 2.5 m/s
acceleration a = -0.5 m/s² ( as opposite to the fly direction)
Time T= 3 sec
Applying formula
V = U + aT
=> 2.5 = U + (-0.5)3
=> 2.5 = U -1.5
=> U = 4 m/s
the initial velocity of the bird before the gust of wind = 4 m/s
Answer:
AB=5.83
Step-by-step explanation:
Distance Formula=
Plugging our values in, we get:
And if we solve it like this:
We end up with:
Which is about 5.83
Answer:
2000
Step-by-step explanation:
(4x5) x 100
X+3= -x-5
x+x= -3-5
2x= -8
x= -4
1-2x= -x-3
1+3=2x-x
x=4
x-2= -3x+2
x+3x=2+2
4x=4
x=1
<span>if they already have 200 then the "must collect" 800 to reach 1000</span>
