Using Polls in Subject to Encourage Discussion
Utilize polls to enhance learning engagement by completing a portion of grade, encouraging discussions, and revising past polls collaboratively. Visit PollEv.com/ChanTaiMan for interactive learning experience.
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Using Polls in this Subject It is 5% of the subject grade. You get all the 5% if you complete 70% of the polls, and you get half of the questions right. The main purpose is to encourage you to discuss with your classmate and me. Your identity will not be shown to other students.
Using Polls in this Subject Visit PollEv.com/ChanTaiMan Use either the brower or the Poll Everywhere mobile application. The mobile application allows you to do future polls with by logging in just once. review past polls for better revision MC questions: May have more than one correct choices. Open-ended questions: It is okay to be creative, but you must show respect. You can clear and change your answers until the poll is locked.
Quick Check Visit PollEv.com/ChanTaiMan Answer the question on your own first. Do not discuss with your neighour now. String 1 has a linear mass-density of 3.00 g/cm and string 2 has a linear mass density of 5.00 g/cm. They are under tension due to a hanging block of mass M = 500 g. To calculate the wave speed in each string, which equation sets up the problem correctly? A) T1 + T2= mg, where T1 T2 B) T1 - T2= mg, where T1 T C) 2T = mg D) 2T = -mg E) choices C & D are correct because we are only concerned with magnitude 2 1 M Credits: Cynthia Heiner, heiner@phas.ubc.ca; Peter Newbury, newbury@phas.ubc.ca 3
Check Again Discuss with your neighbour and answer the question again. String 1 has a linear mass-density of 3.00 g/cm and string 2 has a linear mass density of 5.00 g/cm. They are under tension due to a hanging block of mass M = 500 g. To calculate the wave speed in each string, which equation sets up the problem correctly? A) T1 + T2= mg, where T1 T2 B) T1 - T2= mg, where T1 T C) 2T = mg D) 2T = -mg E) choices C & D are correct because we are only concerned with magnitude 2 1 M Credits: Cynthia Heiner, heiner@phas.ubc.ca; Peter Newbury, newbury@phas.ubc.ca 4
