The horizontal force : f = k*N
k- coefficient of friction
k = f /N
N = m * g = 45 kg * 9.81 m/s² = 441.45 N
k = 25 N : 441.45 N = 0.057
Answer C) 0.057
Answer:29.8 cm/s
Explanation:
Given
mass of marble A is 
Initial velocity of marble A is 
mass of marble B is 
Initial velocity of marble B 
After collision marble B moves with velocity of 
Conserving momentum
Answer:
False
Explanation:
The Latin word "Cirro" means "curly" or "curl of hair" as in a cirrocumulus cloud. Cirrocumulus clouds are wispy clouds, and while they do appear high in the sky, the word "cirro" does not mean high in level.
Therefore, the answer is False.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
None of above/D (but I'm not very sure)
Answer:
20.7
Explanation:
:0 because basis of the daily occured
