Answer:
Speed of the bicycle= 2 m/s
Time taken by Salma to reach school from her house = 15 minutes = 15 × 60 s = 900 s
We know that speed = distance / time
Hence Distance = Speed × time
= 2 m/s × 900 sec
= 1800 m
=1.8 km
Distance between Salma's house and school =1.8 km
Answer: Secondary source
Explanation:
Secondary source could be defined as a source which still gains it's knowledge from the primary source. The secondary source has no first hand witness in the event but only narrates what they are being told or studied. The information from the museum tour guide who shows you around the exhibit and shares facts with you is a secondary guide based on they didn't witness the information first hand but were told or studied
The reasons why President Lincoln believed that the U.S soldiers were fighting for during the American Civil War is that he had high hopes of preserving the union as well as helping the union survive. President Lincoln had only one goal in this Civil War and it was to restore the union. Hope this helps.
