A man sitting on a sled resting on a frozen lake has 2 large snowballs in his arms. The empty sled has mass Ms = 25 kg, the man's mass is MM = 50 kg, and each snowball has mass MB = 5 kg. There is no friction between the sled and the ice. a) The man throws one of the snowballs to the right as seen in the diagram so that it is traveling at 4 m/s with respect to the frozen lake. How fast is the sled moving after the throw? The other snowball and the man are still riding on the sled after the throw. b) How much work did the man do on the snowball during the throw? As always, take care with signs. c) If the man exerted a constant force on the snowball for the duration of the 2 s throw, then what was the magnitude of the force? d) Now the man throws the second snowball in the opposite direction so that the snowball is travelling at 4 m/s to the left with respect to the lake. After this throw, what is the direction and magnitude of the sled's velocity? suow ball OMB MM ice e) How much work did the man do on the second snowball during the throw? Again, take care with signs, and if you round your answer, clearly indicate whether the exact magnitude is larger or smaller than your answer to part b). Ms sled
A man sitting on a sled resting on a frozen lake has 2 large snowballs in his arms. The empty sled has mass Ms = 25 kg, the man's mass is MM = 50 kg, and each snowball has mass MB = 5 kg. There is no friction between the sled and the ice. a) The man throws one of the snowballs to the right as seen in the diagram so that it is traveling at 4 m/s with respect to the frozen lake. How fast is the sled moving after the throw? The other snowball and the man are still riding on the sled after the throw. b) How much work did the man do on the snowball during the throw? As always, take care with signs. c) If the man exerted a constant force on the snowball for the duration of the 2 s throw, then what was the magnitude of the force? d) Now the man throws the second snowball in the opposite direction so that the snowball is travelling at 4 m/s to the left with respect to the lake. After this throw, what is the direction and magnitude of the sled's velocity? suow ball OMB MM ice e) How much work did the man do on the second snowball during the throw? Again, take care with signs, and if you round your answer, clearly indicate whether the exact magnitude is larger or smaller than your answer to part b). Ms sled
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PM3: please answer question and explain each step with reasoning
Transcribed Image Text:A man sitting on a sled resting on a frozen lake has 2 large snowballs in his arms. The empty sled has mass Ms= 25
kg, the man's mass is MM = 50 kg, and each snowball has mass MB = 5 kg. There is no friction between the sled and
the ice.
a) The man throws one of the snowballs to the right as seen in the diagram so that it is traveling at 4 m/s with
respect to the frozen lake. How fast is the sled moving after the throw? The other snowball and the man are
still riding on the sled after the throw.
b) How much work did the man do on the snowball during the throw? As always, take care with signs.
c) If the man exerted a constant force on the snowball for the duration of the 2 s throw, then what was the
magnitude of the force?
d) Now the man throws the second snowball in the
opposite direction so that the snowball is
travelling at 4 m/s to the left with respect to the
lake. After this throw, what is the direction and
magnitude of the sled's velocity?
suow ball
MM
MB
e) How much work did the man do on the second
snowball during the throw? Again, take care
with signs, and if you round your answer, clearly
indicate whether the exact magnitude is larger
or smaller than your answer to part b).
cire
Ms
sled
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