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MU Unit 06 Momentum L Exam
A child is on a sled moving down a hill at 10 m/s. The combined mass of the sled and child is 100 kilograms. The momentum of the child and sled is
20 kg-m/s
2000 kg-m/s
1000 kg-m/s
5 kg•m's

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

prndulum needs thread, weight clock to time swings

the answer is false. this is because for ice to melt, it requires latent heat of melting. latent heat means heat energy required to change phase without any increase in temperatures. therefore, the ice will take energy from the environment to melt hence atmospheric temperatures will reduce.