A robot prob drops a camera off the rim of a 239 m high cliff on Mars, where the free-fall acceleration is -3.7 m/s?,

a) Find the time required for it to hit the ground.

b) Find the velocity with which the camera hits the ground.

c) How long would it take for this camera to hit the ground on Earth?

NEED THE WORK SHOWN AS WELL

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

c) up is the direction the magnetic force is acting on the charge.

the maxium height is 34m/s