What are the two general types of energy that can be used to classify many forms of energy?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

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