It is two 2d d1 2d I knew It because I am graduating from college .
Answer: when heated and for answer dont forget to hit the brainliest
Explanation:
The correct answer is
<span>
force per unit charge.
In fact, the electric field strength is defined as the electric force per unit charge experienced by a positive test charge located in the electric field. In formula:
</span>

where
E is the electric field strength
F is the electric force experienced by the charge
q is the positive test charge.
Answer:
D. 200 kgm/s
Explanation:
Momentum is conserved.
Initial momentum = final momentum
(50 kg) (4 m/s) + (30 kg) (0 m/s) = final momentum
200 kgm/s = final momentum
B) lowering the activation energy !
__________
hope it helps!