If anyone who can me with this hw? i would really appreciate it

Which instrument is used to measure air temperature

Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point p, which is 0.50 m from the center of the sphere, is 15,000 n/c and is directed radially outward. what is the maximum magnitude of the electric field due to this sphere

Asystematic approach to problem solving is called a (an)