You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 71.7 kg, and the mass of the sled when empty is 21.1 kg. From shore, someone throws a baseball of mass 0.141 kg to you, and you catch it; the horizontal component of the ball s velocity is 30.1 m/s. What will be the sled s (and your) speed with respect to the surface of the pond after you catch the ball? Question 6 options:   4.57 cm/s   5.91 cm/s   20.0 cm/s   2.74 cm/s   7) This time, your mass is 60.9 kg and the sled s mass is 22.1 kg. You re on the sled, initially moving to the west at 8.87 cm/s. From the southern shore, your friend throws a baseball of mass 0.138 kg, which you catch as it s traveling northward with a horizontal velocity component of 20.4 m/s. What will be the sled s (and your) speed after catching the ball?

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter10: Systems Of Particles And Conservation Of Momentum
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6) You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 71.7 kg, and the mass of the sled when empty is 21.1 kg. From shore, someone throws a baseball of mass 0.141 kg to you, and you catch it; the horizontal component of the ball s velocity is 30.1 m/s. What will be the sled s (and your) speed with respect to the surface of the pond after you catch the ball?
Question 6 options:
 
4.57 cm/s
 
5.91 cm/s
 
20.0 cm/s
 
2.74 cm/s
 
7) This time, your mass is 60.9 kg and the sled s mass is 22.1 kg. You re on the sled, initially moving to the west at 8.87 cm/s. From the southern shore, your friend throws a baseball of mass 0.138 kg, which you catch as it s traveling northward with a horizontal velocity component of 20.4 m/s. What will be the sled s (and your) speed after catching the ball?
Question 7 options:
 
12.7 cm/s
 
5.69 cm/s
 
9.48 cm/s
 
4.61 cm/s


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