Flood plain, meanders, Qxbow lake, valley, and waterfalls!!!!
Answer:
21.6 kN
Explanation:
F = m * a
F = 54 000 * .4 = 21600 N
The answer is 25.37 hope this helps
Answer:
<h2> 0.041kg</h2>
Explanation:
Step one:
given data
initial velocity u= 0m/s
Force F= 443N
time t= 4.3 ms= 0.0043seconds
final velocity v= 45.7m/s
Step two:
Required
mass m
we know that the expression for impulse is given as
Ft=mv
make m subject of the formula
m=Ft/v
substitute we have
m=443*0.0043/45.7
m=1.90/45.7
m=0.04kg
The mass of the ball is 0.041kg
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