Answer:
Approximately . (Assuming that this table is level, and that the gravitational field strength is .
Explanation:
Convert the dimensions of this book to standard units:
.
.
Calculate the surface area of this book:
.
Pressure is the ratio between normal force and the area over which this force is applied.
.
Equivalently:
.
In this question, .
It was found that (assuming that the entire side of this book is in contact with the table.
Hence:
.
If that the table is level, this normal force would be equal to the weight of this book:
.
Assuming that the gravitational field strength is . The mass of this book would be:
.
Answer:
Kelvin
Explanation:
fact as per the guideline given
It's B if that helps at all :) (I'm like, 98% sure that it's totally B!
Is distance not included in this question? The calculation for speed is distance divided by time.
Answer:
I think it's C - sorry if I'm wrong