Author Question: Mort's twin, Velma, flies to a distant star at high speed and returns to Mort on Earth. She then ... (Read 52 times)

burchfield96 · **on:** Jul 29, 2018

Mort's twin, Velma, flies to a distant star at high speed and returns to Mort on Earth. She then finds that

A) she is younger than Mort.
B) they are the same age.
C) Mort is younger than her.
D) they are both younger than each other.
E) she has been changed into a giraffe.

Question 2

At a location where g = 9.80 m/s2, a projectile returns to its original height after 4.08 seconds, during which time it travels 76.2 meters horizontally. If air can be neglected, what was the projectile's initial speed?

What will be an ideal response?