AJA child jumps from a moving sled with a speed of 2.2 m/s and in the direction opposite the sled's motion. The sled continues to move in the forward direction, but with a new speed of 5.5 m/s. If the child has a mass of 38 kg and the sled has a mass 68 kg, what is the initial velocity of the sled? (2.7 m/s)

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8:30 AM Sun Jan 30
7 C 100%
AJA child jumps from a moving sled with a speed of 2.2 m/s and in the direction opposite the sled's motion.
The sled continues to move in the forward direction, but with a new speed of 5.5 m/s. If the child has a mass
of 38 kg and the sled has a mass 68 kg, what is the initial velocity of the sled? (2.7 m/s)
5.) In the game of marbles, a shooter is a large marble about 2 cm in diameter that is used to knock smaller
marbles out of the ring. Suppose a shooter with a speed of 0.80 m/s hits a 4.8 g marble that is at rest in the
ring. The shooter continues forward with a speed of 0.51 m/s while the smaller marble moves forward with a
speed of 1.33 m/s. What is the mass of the shooter? (22 g)
171
309
Transcribed Image Text:8:30 AM Sun Jan 30 7 C 100% AJA child jumps from a moving sled with a speed of 2.2 m/s and in the direction opposite the sled's motion. The sled continues to move in the forward direction, but with a new speed of 5.5 m/s. If the child has a mass of 38 kg and the sled has a mass 68 kg, what is the initial velocity of the sled? (2.7 m/s) 5.) In the game of marbles, a shooter is a large marble about 2 cm in diameter that is used to knock smaller marbles out of the ring. Suppose a shooter with a speed of 0.80 m/s hits a 4.8 g marble that is at rest in the ring. The shooter continues forward with a speed of 0.51 m/s while the smaller marble moves forward with a speed of 1.33 m/s. What is the mass of the shooter? (22 g) 171 309
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