When you drag a toy teddy bear along the floor by a force that is parallel to the floor, the magnitude of the force of friction
a. is independent of velocity or acceleration.
b. increases when the velocity increases.
c. is proportional to the acceleration.
d. decreases when the force parallel to the floor increases.
e. increases when the force parallel to the floor increases.
A
You might also like to view...
Tensile Stress and Strain: As one stretches a metal wire, which condition is reached first?
A. the elastic limit B. the breaking point C. the proportional limit
Double-Slit Interference: A double slit that is illuminated with coherent light of wavelength 644 nm produces a pattern of bright and dark fringes on a screen 6.00 cm from the slits. If the slits are 2783 nm apart, what is the distance on the screen between the 4th and the 2nd bright fringes on one side of the central maximum?
A. 23.0 cm B. 17.6 cm C. 11.5 cm D. 3.13 cm E. 14.7 cm
What frequency of sound traveling in air at 40 oC has a wavelength of 0.50 m?
a. 20 Hz b. 344.7 Hz c. 502.9 Hz d. 711.2 Hz
Which of the following does not result from applying the Schrödinger equation to the electron in the hydrogen atom?