What is the difference between longitudinal and transverse waves? Give an example of each How much power is dissipated by the circuit to the right. ( Eq : P = I 2 R = I V) What is the current through the 2-ohm resistor below? . Homework : (55 points) 92 review problems. Types of Waves.
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What is the difference between longitudinal and transverse waves? Give an example of each
(55 points) 92 review problems
medium vibrates at right angles to the direction the energy moves
medium vibrates in the same direction as the direction the energy moves
R = 200 Ω
V = I R
P = I V
V = 100 V
V = I R
R1 = 2 Ω
V = 10 V
Voltage is equal at both resistors
How much power is dissipated by the circuit to the right. (Eq: P = I2 R = I V)
(55 points) Finish Review Problems
(6) Reading Log 501-503
(direction is important)
kgm / s
which would you stand in front of?
Broken bones, pain…
How you change the momentum
(piggy back ride)
Go to pg. 506
A 65 kg swimmer runs with a horizontal velocity of 5.6 m/s off a dock
He jumps into a 15 kg rubber raft that is drifting towards him with a velocity of 1.0 m/s
What is the velocity of the swimmer and raft after the impact? (assume no friction or resistance due to air or water)
notice the subscripts
How will v1f compare to v2f?
only one vf
which direction is vf?
Answer questions 89-92 on your review sheet
Turn it in on a separate piece of paper by the end of class
(Disclaimer: These questions do not count as part of your 42 problems)