$module$/Default for zzz zzz Force of two 1 kg masses... Two one kg masses are floating in space. The are {d} meters apart. Eventually they will come together because of their gravitational attraction. What is the attractive force between them?

Hint: The formula is on page 237.

]]> 1.0000000 0.3000000 0 0 0 abc 1 6.67E-11/({d}*{d}) 0.03 1 2 3 1 0.1000000 0 0 1 N 1 Newton 1 Newtons private d calculated uniform 1.0 10.0 1 20 1 2.2 2 3.9 3 6.4 4 1.2 5 1.9 6 9.9 7 1.5 8 1.9 9 2.0 10 6.4 11 5.8 12 7.9 13 2.7 14 8.0 15 8.8 16 2.9 17 2.5 18 8.4 19 3.3 20 2.4 20 zzz2 Momentum of a falling piano Movers attempting to deliver a grand piano with a mass of {m} kg, through a 94th floor window of a really tall apartment building, accidentally drop it. What is it's downward momentum after {t} seconds?

(Although it is falling downward, please enter a positive number for your answer.) (Assume g=10 m/s²)

]]> 1.0000000 0.3000000 0 0 0 abc 1 {m}*{t}*10 0.03 1 1 2 1 0.1000000 0 0 1 kgm/s 1 kg m/s 1 Ns private t calculated uniform 1.0 5 1 20 1 1.5 2 4.6 3 1.4 4 2.4 5 1.8 6 4.5 7 1.6 8 3.4 9 4.2 10 2.6 11 2.2 12 4.4 13 3.3 14 1.2 15 4.4 16 4.3 17 3.2 18 2.0 19 2.1 20 2.6 20 private m calculated uniform 600 999 1 20 1 892.1 2 705.2 3 900.2 4 781.3 5 786.8 6 645.0 7 876.4 8 704.6 9 602.0 10 881.4 11 952.6 12 826.1 13 850.6 14 697.9 15 839.4 16 783.2 17 909.5 18 773.1 19 977.0 20 812.3 20