6. factoring in the effect of friction, what must be true about the work output?
1. it must be less than 60 j.
2. it equals 60 j.
3. it must be greater than 60 j.

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.

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec