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convert 30km/h = 8.3 m/s

calculate initial vertical speed U_v = 4.15m/s, calculate initial horizontal speed = 7.19m/s

apply suvat equations v = u + at, s = ut + 1/2at^...

speed = distance/time

The Moon has a lower gravitaional field strength than the Earth, and it does not have an atmosphere. The lower gravitational field strength means that there is lower acceleration, which results in an incr...

This is often confusing because in everyday life people might say "how much do you weigh?" to which you might say "60kg", 60 kg is actually your mass and when we talk about weig...

When ice (or ice cold water) is added to a drink, the two substances move towards thermal equilibrium (the point where there is no net energy transfer between the two substances, and they have the same te...