Answer:
because
Explanation:
Mass and velocity are both directly proportional to the momentum. If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.
Answer:
Explanation:
m1 = 24 kg
m2 = 63 kg
(a) Let the tension is T1 in upper rope and T2 in lower rope.
Use Newtons' second law on m2.
T2 = 856.8 N
Apply Newton's second law on m1
T1 = 1183.2 N
(b)
Use Newtons' second law on m2.
T2 = 378 N
Apply Newton's second law on m1
T1 = 522 N
<span>a = ΔV/Δt = (5000-10000)/60 = -500/6 = -83.(3) m/sec^2</span>
Answer:
1. Yes, if the elephant is standing still.
2. impulse acting on it.
Explanation:
Momentum is the product of mass and velocity. A change in momentum occurs when any of the quantities change. A change in momentum is equal to impulse acting on it. A change in momentum per unite time generates force.
P = m v
ΔP = Δm v or mΔv
F = ΔP /Δt
Impulse, F Δt = ΔP.
An ant has negligible mass in comparison to an elephant. Thus, an ant can have more momentum only when the elephant is standing still. Then, the momentum of the elephant would be zero as it would have zero velocity. and a moving ant would have more Momentum.
The change in momentum of an object is impulse acting on it.
Impulse, F Δt = ΔP.
If velocity is constant, then the object is moving
at constant speed in a straight line.