Question 3 How fast does a 142 g baseball have to travel to achieve a momentum of 3.905 kg x m/s?
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22
14

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

In which of the following is positive work done by a person on a suitcase