A motor operating on 245 V electricity has a 172 V back emf at operating speed and draws an 11.6 A current. (a) What is its resistance (in Ω)? Ω (b) What current (in A) does it draw when it is first started? A †

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Identify the type of synthetic material used in each object

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n