What happens when you sit in a chair? A. The chair pushes back on you.
B. The chair does not push back on you.
C. There is no force being exerted.
D. The chair pushes in the same direction as you.

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

What do you think car designers do if the damage caused by a crash test is too severe?