Physics Exam

5/17/2020 Take Test: Week Two Midterm – PHS104 Introductory Physics

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QUESTION 12

(a) What is the momentum of a garbage truck moving at 30 m/s? (b) At what speed would an 8 kg trash can have the same momentum?

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P th W d 0

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QUESTION 13

What is an elastic collision? What is an inelastic collision?

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5/17/2020 Take Test: Week Two Midterm – PHS104 Introductory Physics

https://nu.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_291422_1&course_id=_124945_1&content_id=_9409420_1&step=null 9/10

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QUESTION 14

Verify that the SI unit of  is .

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QUESTION 15

To sterilize a 50 g glass baby bottle, we must raise its temperature from 22ºC to 95ºC. How much heat is required?

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Remaining Time: 1 hour, 37 minutes, 39 seconds.

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