If a book has a a mass of 2 kg, how much does the book weigh? Group of answer choices
A. 20 N
B. 19 N
C. 21 N
D. 22 N

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy