Answer:
230.4kg
Explanation:
volume of the room = l× b×h
volume= 8×6×4
volume=192m3
density= mass/volume
hence mass= density × volume
mass= 1.2kgm-3 × 192m3
mass= 230.4kg
Australia separated from other continents and species there evolved independently
Its called condensation. condensation is <span>water that collects as droplets on a cold surface when humid air is in contact with it. aka. clouds</span>
Answer:
the small car has a larger change in velocity
Explanation:
it has a larger change in velocity because it is small compared to the big truck that hit the car.
Answer:
37.91594 keV
Explanation:
= Incident energy = 400 keV
θ = 30°
h = Planck's constant = 4.135×10⁻¹⁵ eV s = 6.626×10⁻³⁴ J s
Incident photon wavelength

Difference in wavelength


Final photon wavelength

Energy of the recoiling electron

Energy of the recoiling electron is 37.91594 keV