7/25/2019 Momentum Worksheet

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MOMENTUM WORKSHEET

1. Which has more momentum, a 1000 kg car moving 1 m/s or a 70 kgperson sprinting at 8 m/s?

2. An ofcial major league aseall has a mass o! 0.1" kg. A pitcherthro#s a "0 m/s !astall #hich is hit $ the atter straight ack up themi%%le at a spee% o! "& m/s.a' What is the change in momentum o! the all %uring the collision #iththe at?' (! this collision occurs %uring a time o! 0.012 secon%s, #hat is theaverage !orce e)erte% $ the at on the all?

*. A tennis all ma$ leave a top pla$er+s racket on the serve #ith a spee%o! &.0 m/s. (! the all+s mass is 0.0&00 kg an% it is in contact #ith theracket !or 0.0*00 s, #hat is the average !orce e)erte% on the all? Woul%

this !orce e enough to li!t a person o- the groun%?

". o# much !orce is reuire% to stop a &0 kg person traveling at *0 m/s%uring a time o! a' .0 secon%s' 0.0 secon%sc' 0.0 secon%s

. A *0 kg chil% running at 7 m/s jumps onto a 10 kg sle% #hich #asinitiall$ at rest. What #ill e the velocit$ o! the chil%sle% imme%iatel$a!ter the chil% jumps on the sle%?

&. A 100 kg car traveling at 1 m/s colli%es #ith a 00 kg moose #hich isat rest. (! the moose is knocke% ack#ar% at 20 m/s, #hat happens to thecar?

7. A 100 kg car traveling .0 m/s colli%es hea% on #ith a *000 kg trucktraveling 7.0 m/s in the opposite %irection. (! the umpers lock thecollision is inelastic',a' #hat is the velocit$ o! the t#o vehicles together imme%iatel$ !ollo#ingthe collision?' #hat is the magnitu%e o! the change in velocit$ e)perience% $ the%river o! each car %uring the collision?

8. A 70 kg astronaut oating in an oriting space station thro#s a 1.0 kg#ater ottle across the room at a spee% o! 8.0 m/s. What is the magnitu%eo! the astronaut+s recoil velocit$?

7/25/2019 Momentum Worksheet

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3. (n or%er to complete a tough 4split5 in o#ling, a o#ling all o! mass&. kg is rolle% #ith a velocit$ o! 12 m/s. 6he all hits a 1.* kg o#ling pin,sen%ing it o- #ith a spee% o! *. m/s at an angle o! 80 %egrees #ithrespect to the original %irection o! the o#ling all. What is the angle an%%irection o! the o#ling all+s velocit$ a!ter the collision #ith the pin?