I’m super lost on this one me on this

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

What is the temperature in degrees celsius of a substance with a tempature of 49k

Which of the following list the divisions of the geologic time scale in order from longest to shortest