Ablock is released from rest on an inclined plane and moves 3.1 m during the next 2.2 s. the acceleration of gravity is 9.8 m/s 2 . 10 kg µk 37◦ what is the magnitude of the acceleration of the block? answer in units of m/s 2

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine