Answer:
without braille it would be most difficult for the blind
Braille is a reading and writing system for blind and vision impaired people, made up of raised dots that can be 'read' by touch. The most popular form of braille is Grade 2, which uses the alphabet as well as abbreviations and contractions.
The final velocity of the bock over the given distance is 12m/s.
Acceleration of the block
The acceleration of the block is calculated as follows;
F = ma
a = F/m
a = 40/10
a = 4 m/s²
hope this helps <3
It belongs to the hydrides
