Aerobic exercise is exercise where oxygen is not present.

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True

False

The distance between slits on a diffraction grating is 0.60 mm, and one of the angles of diffraction is 0.30°. The light forms a second-order bright band. How large is the path difference? 1047 nm 1571 nm 3142 nm 6284 nm

Neutrons do not enter into any ordinary electrical activity

A computer-controlled ball launcher on a ledge at height h = 8 m above level ground ejects a ball at initial speed v_sub_0 = 8.2 m/s at an angle of θ_sub_1 = 35 degrees above the horizontal.

Which avtivties belongs on top of physical activity pyramid

Which of the following is an example of potential energy? a basketball sitting on a shelf a dog running across a field a bowling ball rolling down a lane a teenager riding their bike

An open-topped freight car with mass 24,000 kg is coasting without friction along a level track. It is raining very hard, and the rain is falling vertically downward. Originally, the car is empty and moving with a speed of 4.00 m/s.

Photons travel outward from a light bulb in

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Aligned magnetic domains are only present in which of the following? A) permanent magnets B) temporary magnets C) all magnetic material D) depends on the situation