The figure shows a ‘snapshot’ of four different waves in identical ropes stretched with the same force
The waves with the largest wavelength are waves __________ and ___________.
I and III
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A 2.0-kg block sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If the block has a speed of 4.0 m/s as it passes through the equilibrium position, what is its speed when it is 20 cm from the equilibrium position?
a. 2.6 m/s b. 3.1 m/s c. 3.5 m/s d. 1.9 m/s e. 2.3 m/s
Describe the interaction between Jupiter and Comet Shoemaker-Levy 9
What will be an ideal response?
At the instant a 2.0-kg particle has a velocity of 4.0 m/s in the positive x direction, a 3.0-kg particle has a velocity of 5.0 m/s in the positive y direction. What is the speed of the center of mass of the two-particle system?
a. 3.8 m/s b. 3.4 m/s c. 5.0 m/s d. 4.4 m/s e. 4.6 m/s
One force acting on a falling apple is the apple's weight. Which of the following is the best description of the other member of the "force pair" [of which the apple's weight is one member]?
A) Gravity pulling downward on the apple. B) The force of gravity by Earth pulling upward on the apple. C) The force of gravity by the apple pulling upward on Earth. D) The force of gravity by the apple pushing downward on Earth. E) Air resistance acting upward on the apple.