Answer:

Explanation:
= Coefficient of friction
g = Acceleration due to gravity
m = Mass of box = 
a = Acceleration of the block = 
Acceleration is given by

Friction force is given by

The magnitude of the force of friction on the box as it moves with the truck without slipping is
.
Answer:
A. Keep it, because it uses descriptive language to convey the writer’s perspective on advances in robotics and set up the topic of the passage.
Explanation:
Answer A
Correct. The underlined text uses descriptive adjectives and adverbs to describe today’s robots and the way they interact with humans. This descriptive language helps to convey the writer’s perspective on advances in robotics and also sets up the topic of the passage, which is how humans and robots interact. Therefore, the writer should keep the underlined text.
A. five
Reading, English, Math, Science, and Writing.
Lines that intersect at a single point.
The other incorrect choices:
-Parallel lines have no solution because they don’t intersect.
-Identical lines have infinite solutions because they touch at all times.
-the y intercept would have an x value of 0, however it’s 2.