Một ô tô đang chuyển động với vận tốc 36km thì tăng tốc sau 10 giây vận tốc đạt được 72km/h a) Tính gia tốc
b) Tính vận tốc và quãng đường sau 20 giây
c) tính vận tốc sau 100m

Dalton’s model of an atom is the best described as a) a solar system b) a solid sphere c) a cloud d) a scoop of chocolate chip ice cream

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Sound is a disturbance that travels through a medium as a