Yes it is o, the phonics spelling is jOk.
No, the word "joke" does not have a long vowel sound. The "o" in "joke" is pronounced with a short /oʊ/ sound.
yes
No, the word "ladder" does not have a long vowel sound. The vowel sound in "ladder" is short.
long vowel sound
The word "hair" has a long A vowel sound.
The word "say" has a long vowel sound--specifically, the long "a" sound.
The word "eat" has a long vowel sound.
No, the word "ladder" does not have a long vowel sound. The vowel sound in "ladder" is short.
It is a long vowel.
It depends on the individual word. The word "teacher" has a long vowel sound in the middle, with a long 'e' sound. However, the word "teach" has a short vowel sound, with a short 'e' sound.
The word "say" has a long vowel sound--specifically, the long "a" sound.
The word "grass" has a short vowel sound for the letter "a," pronounced /æ/.
The e in the word menu has a short vowel sound, and the u has a long vowel sound.
The word "spider" has a short vowel sound for the letter "i."
The word spider has a long I vowel sound. If you find that the vowel makes the same sound in the word as it does when saying it in the alphabet, it will be long.
The word "hair" has a long A vowel sound.
Yes, be has a long e vowel sound.
long vowel sound
It has a long O vowel sound and a long E vowel sound (from the Y).