Period T/s 0.63
0.90
1.10
1.25
1.52
1.59
Length I'm
0.10
0.20
0.30
0.50
0.60
0.70
Using a graph paper, plot a graph of T- 18- against um. (8 Marks)

If a balloon is taken outside on a very cold day, what will occur?

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot