While in a park, you walk west for 52 m, then you walk 30.6° north of west for 35 m, and finally you walk due north for 25 m. Find the components of your final displacement, from your initial to final point, along the north and west directions.
(a) displacement component due north
m
(b) displacement component due west
m

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

You can decrease the resistance of a length of wire by

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.