On his fishing trip justin rides in a boat 12 km south. the fish aren’t biting so they go 4 km west. they then follow a school of fish 1 km north. what distance did they cover? what was their displacement?

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

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.

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?