Kann mir bitte jemand bei diesen 2 Aufgaben helfen? Die Antworten lauten 5) v = 25,01199712 m·s-1≈ 25 m·s-1 und v = 90,04318964 km·h-1≈ 90 km·h-1 und für 6) = 0,0004982699 kg ≈ 0,5 g dass heißt ich brauche nur noch den Rechenweg.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.

How long will a plane have to fly continuously with 1100 miles per hour in order to cover the same distance as that from earth to the next star, proxima centauri?