How long will it take if you travel at 4 m/s for 100m?
10 s
20 s
O
04s
25 s

Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?