Answer:
Option D
Explanation:
Taking 2020 unit test for edu right now.
Answer:
4 blocks west is final displacement. So 4 blocks per hour
Answer:
Magnitude of angular acceleration = -3.95 rad/s²
Explanation:
Angular acceleration is the ratio of linear acceleration and radius.
That is

Radius = 72 cm = 0.72 m
Linear acceleration is rate of change of velocity.

Angular acceleration

Angular acceleration = -3.95 rad/s²
Magnitude = 3.95 rad/s²
Metallic bonds! Hope this helps!! :))