40400 m/s 3 points
A 2000 kg cannon has a 20 kg cannon ball, and they are both at rest.
When fired, the cannon ball has a velocity of 100 m/s, shown below. What
is the velocity of the cannon's recoil? O=(m1v1)+(m2v2) *
7
Mass: 2000kg
Velocity: 7 m/s
Mass: 20 kg
Velocity: 100 m/s

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Both independent and dependent clauses

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?