theresamarieuehling2
02.01.2021 •
Physics
Calculate the momentum of a 5 kg ball in free fall at 20 m/s. Show your work.
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Ответ:
100kgm/s
Step by step solution:
mass(m) = 5kg
Initial velocity (u) = 0
i.e u = 0 for free fall
Final velocity (v) = 20m/s
Momentum = m(v - u)
= 5(20 - 0)
= 5(20) = 100kgm/s.
Ответ:
Explanation:
Momentum can be found using the following formula.
where p is the momentum, m is the mass, and v is the velocity.
1. Define Variables
The mass is 5 kilograms and the velocity is 20 meters per second.
2. Calculate Momentum
Substitute the values into the formula.
Multiply.
The momentum of the ball is 100 kilograms meters per second.
Ответ:
1.1 x 10^9 = ½ x 8 x 10^4 v²
v² = 2.75 x 10^4
v ≈ 165.8 m/s
Hope This Helps!