tic question. Write only the final value of the answer. If y = 0.02 sin (80x...
Arithmetic question. Write only the final value of the answer. A bicycle wheel is rolling without slipping with velocity 8 m/s at the center of the wheel , what would be the magnitude of velocity in m/s at the point in contact with the ground ? Write your answer as an integer (i.e as a whole number without a decimal place). Your Answer:
If y = 0.02 sin (30x − 400t) (SI units), the frequency of the wave is 30 Hz b. 15/ Hz c. 200/ Hz d. 400 Hz e. 800 Hz the angular frequency of the wave is a. 30 rad/s b. 30/2 rad/s c. 400/2 rad/s d. 400 rad/s e. 40/3 rad/s the velocity of the wave is a. 3/40 m/s b. 40/3 m/s c. 60/400 m/s d. 400/60 m/s e. 400 m/s
Arithmetic question. Write only the final value of the answer. A 400-m long transmission cable is suspended between two towers. If the mass density is 9 kg/m and the tension in the cable is 20,000 N, what is the speed in m/s of transverse waves on the cable? Write your answer as an integer (i.e as a whole number without a decimal place).
Arithmetic question. Write only the final value of the answer. The block with mass 6 kg shown in the figure is sliding on a frictionless surface. What is the speed in m/s when it has traveled 9 m along the horizontal surface? Write your answer with TWO decimal places. Frictionless surface 3 m 9 m
If y = 0.07 sin (40x – 60t) (SI units), what is the maximum transverse acceleration in SI units of particles of the medium ? Write your answer as an integer (i.e as a whole number without a decimal place).
nly the final value of the answer. A merry-go-round with a moment of inertia of 6.78 x 109 kg • m2 is coasting at 2.20 rad/s. When a 87-kg man steps onto the rim, the angular velocity decreases to 20 rad/s. What is the radius in meters of the merry-go-round? Write your answer with ONE decimal place.
Number 6 only tic Waves The magnetic field in a plane monochromatic electromagnetic wave with wavelength A - 431 nm vacuum in the z-direction is described by B- (Bi sin(ks-t)(i +3) where B, -7.8x 1o* T, and i-hat and j-hat are the unit vectors in the .x and y directions, respectivety. 1) What is k, the wavenumber of this wave? 1.458e7 m Submit 2) What is Zmax the distance along the positive z-axis to the position where the magnitude of...
A pulse is described by y = 9/[(x-3t)2 + 14) in SI units. What is the velocity of the pulse in SI units? Write your answer as an integer (i.e as a whole number without a decimal place).
(8110 The wave function for a traveling wave on a taut string is in SI units) y(x,t) = 0.400 sin 8tt - 57x + 4) (a) What are the speed and direction of travel of the wave? speed 8/5 m/s direction positive x-direction (b) What is the vertical position of an element of the string at t = 0, x = 0.138 m? X Your response differs significantly from the correct answer. Rework your solution from the beginning and check...
SELF TESTI 1. A wave is described by the equation y = 4 sin(31-6x) (SI units). a) Is the wave traveling in the +x or -x direction? b) Determine the amplitude, angular frequency, wavenumber, frequency, period, and wavelength (don't forget units). 2. A wave moves along a string in the +x direction with a speed of 8.0 m/s, a frequency of 4.0 Hz, and amplitude of 0.050 m. a) Determine the wavelength. b) Determine the wavenumber. c) Determine the period....