1- thé everyday use of kinematic basically the speed for something it’s the magnitude.
2-the speed of something in a certain direction
2a- They are both related by speed.
3-the capacity of a vehicle which gains speed in a short time
4-it’s an attraction of all matter (not sure on this one)
Compared to the charge and mass of a proton an electron has......
A proton has approximately the same mass as..........
Answer:
C. water acts as a radiation shield to reduce the radiation level
The correct Answer based on my calculations is C
I think you meant K as in kilograms?
If so, the answer should be 0.0052.