Which of the following are not units of frequency: Hertz. m/s. waves/s

The best description of uniformitarianism is ___.

A 1170-kg car is held in place by a light cable on a very smooth (frictionless) ramp, as shown in the figure (Figure 1). The cable makes an angle of 31.0 ∘ above the surface of the ramp, and the ramp itself rises at 25.0 ∘ above the horizontal.

Which of the following is true about glass recycling? a. Recycling glass reduces the rate of deforestation. b. Recycling glass eliminates greenhouse gas emissions. c. Recycling glass is an energy-saving practice. d.

If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water wouldA sink. B either sink or float. C do nothing. D float.

Why is it easier to read black text on a white background than to read green text of any light color?

Degausser creates a magnetic field that erases data from magnetic storage media. a. True b. False

A submarine is carefully navigating its way to the seafloor. It sends out "pings"-a radar wave-as it descends to keep track of its location in relation to the ground. The wavelength of the radar as it leaves the ship is 3 cm.

Which of the following is true for a system consisting of a mass oscillating on the end of an ideal spring? A. The kinetic and potential energies are equal at all times. B. The kinetic and potential energies are both constant. C.

What is the chain of energy transfers that create surface ocean currents on the ocean

A 2.5m pendulum is pulled back at an angle of 15.0 degrees and released. it's speed at the bottom of the swing is, A) 1.29 m/s B) 1.67 m/s C) 6.88 m/s D) 7.00 m/s