Acheetah can run at a maximum speed
95.4 km/h and a gazelle can run at a max-
imum speed of 74.4 km/h.
if both animals are running at full speed,
with the gazelle 83 m ahead, how long before
the cheetah catches its prey?
answer in units of s.

Which of the following is an example of units for speed

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.

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.