Fan astronaut can jump straight up to a height of 0.5 m on earth, how high could he jump on the moon?

3.0 m

Using the equation of motion:

where v is the final velocity, u is the initial velocity, a is the acceleration and s is the distance covered.

(g is the acceleration due to gravity on Earth)

we know, acceleration due to gravity on moon is one-sixth the value on earth.

Using the value of initial velocity calculated in equation 1, we can calculate the height attained on the moon when an astronaut would jump on moon with the same initial velocity. At the highest point, the instantaneous velocity v is 0 m/s.

sleep paralysis is a parasomnia, events associated with sleep.

sleep paralysis happens when you are in the middle of waking up or falling asleep. it is the feeling of being conscious but unable to move. it definitely involves hallucinations.

i had a friend that had sleep paralysis and he told me a story one time where he was laying in bed and he couldn't move his body no matter how hard he tried and there was someone standing in the corner of his room coming towards him. he couldn't move and you can't "wake up" because you are already conscious. sometimes sleep paralysis can be triggered by frequent waking up during the night based off of multiple trips to the bathroom, or if you had ever been abused, sleep paralysis can start happening from things like that.

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form