An object attached to a spring is being pulled across a flat frictionless surface. The spring constant is 48 N/m, the object is accelerating at 1.1 m/s^2, and the mass of the object is 38 kg. What distance is the spring stretched? 0.87 m
1.2 m
0.37 m
0.70 m

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