Question

While driving in your pickup truck down Highway 280 between San Franscisco and Palo Alto, a meteorite lands in your truck bed! Despite its 220 kg mass, the meteor does not destroy your 1200 kg truck. In fact, it landed so softly it added mass but did not change the total momentum of your truck. Before the meteor landed you were going 25 m/s. After it landed, approximately how fast were you going?

a
21 m/s
b
28 m/s
c
15 m/s
d
32 m/s

Answer 1

a. 21 m/s