A transverse wave travels at 190 m/s along the x-axis. If the period of the periodic vibrations of the wave is 2.6 milliseconds, then what is the wavelength of the wave?
A. 25.5 cm
B. 35.4 cm
C. 49.4 cm
D. 50.3 cm
E. 54.4 cm
C. 49.4 cm
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Multiple-Object Accelerating Systems: Three blocks, light connecting ropes, and a light frictionless pulley comprise a system, as shown in the figure. An external force of magnitude P is applied downward on block A, causing block A to accelerate downward at a constant 2.5 m/s2. The tension in the rope connecting block B and block C is equal to 60 N.(a) What is the magnitude of the force P?(b) What is the mass of block C?
Fill in the blank(s) with the appropriate word(s).
Your rearview mirror states "OBJECTS IN THIS MIRROR ARE CLOSER THAN THEY APPEAR." The mirror is
A. convex B. concave C. planar
Which of these colors of light has photons of greatest energy?
a. Red b. Orange c. Green d. Yellow
A plane is moving due north, directly towards its destination. Its airspeed is 200 mph. A constant breeze is blowing from west to east at 42 mph. In which direction is the plane pointed?
a. 5.7° W of N c. 22° W of N b. 12° W of N d. 11° E of N