Try this option (shortly):
According to the 'law of consevation of pulse' the passenger in the smaller car receives greater energy then the one in the larger car.
Almost all the received energy is spent to injure the passenger in the smaller car. :(
Answer:
Explanation:
When a force is applied to an object over a certain period of time, it is said to apply an impulse to the object. The magnitude of the impulse is given by:
J=F*Δt
When an impulse is provided to an object, the momentum of the object will change, as in:
J=Δp=
So given:
Initial momentum
Applied force
J=
F*Δt=
Answer:
Charge on A is
Charge on B is , then
Distance between two charges = 16 cm = 0.16 m
Force F = 43 N
According to coulombs law force between tow charges is given by
, here K is constant which value is
So
so charge on A is
And charge on B is
Answer:
254
Explanation:
use the formula "final Velocity- initial velocity / time = acceleration"
so "X - 14 /4 = 60"
60 x 4 = X - 14
240 +14 = X
X = 254
It will possibly be A) chemical b/c it can make a sound like when the bar hits the ball it makes a sound correct?! and also it created heat especially when it hits the ball. and when the ball MOVES and the bar HITS it creates kinetic energy, but when you hit the ball it doesn’t create a new substance.