PLEASE ASAP ANSWER- Look at the image of a person standing in an elevator on Earth. What type of motion must the elevator have for the person’s apparent weight to be 0 N? Use Newton’s laws of motion to support your claim.

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?