Answer:
no
Explanation:
i don,t think so the averge of the car speed is faster
Their velocity afterwards is 2.88 m/s east
Explanation:
We can solve this problem by using the law of conservation of momentum. In fact, for an isolated system (= no external force), the total momentum must be conserved before and after the collision. So we can write:
where: in this case:
is the mass of the first player
is the initial velocity of the first player (choosing east as positive direction)
is the mass of the second player
is the initial velocity of the second player
is their combined velocity afterwards
Solving for v, we find:
And the sign is positive, so the direction is east.
Learn more about momentum here:
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Answer:
The potential energy decreases
Explanation:
- When a proton moves in the direction of the electric field, the force on the proton (f=qE) will be in the direction of the field.
- The proton will accelerate and the KINETIC energy will increase.
- The potential energy decreases.
Answer:
In mathematics, the difference of two squares is a squared (multiplied by itself) number subtracted from another squared number. Every difference of squares may be factored according to the identity. in elementary algebra.
Explanation: