1.which of the following is NOT true about displacements?
A.it follows a straight line
B.It measures the length of the travelled straight line.
C.It measures the straight line that connects the object points of origin and its point of destination
D.It is the longest length between the objects point of origin and its point of destination.
2.In which of the following situations is the displacement zero?
A.A man walking 2km north
B.A runner stopping at the middle of the race.
C.A car making a complete revolution around a circular track
D.A bird leaving its nest.
3.A train travels 123 km in 2 hours,its average speed is
A.121km/h
B.125km/h
C.61.5 km/h
D.252km/h
NONSENSE-REPORT.
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Answer:
1.which of the following is NOT true about displacements?
A.it follows a straight line
B.It measures the length of the travelled straight line.
C.It measures the straight line that connects the object points of origin and its point of destination
D.It is the longest length between the objects point of origin and its point of destination.
2.In which of the following situations is the displacement zero?
A.A man walking 2km north
B.A runner stopping at the middle of the race.
C.A car making a complete revolution around a circular track
D.A bird leaving its nest.
3.A train travels 123 km in 2 hours,its average speed is
A.121km/h
B.125km/h
C.61.5 km/h
D.252km/h