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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Arock collection comes from which part of earth?

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

How does an observation about an object differ from an inference about that object