The figures show a small block of mass 0.20 kg on a track in the shape...

   

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The figures show a small block of mass 0.20 kg on a track in the shape of a circular arc. The block is released from rest at a height H above the floor, as shown in Figure 1. The block slides along the track with negligible friction and leaves it at a height of 0.40 m above the floor and a speed of 3.0 m/s at a 30 angle, as shown in Figure 2. 2. The height H is most nearly 0.45 m 0.51 m 0.86 m (B) (C) (D) 1.7 m Jong H organa (uirky Figure 1 istorier 3.0 m/s Figure 2 30 To.40 m The figures show a small block of mass 0.20 kg on a track in the shape of a circular arc. The block is released from rest at a height H above the floor, as shown in Figure 1. The block slides along the track with negligible friction and leaves it at a height of 0.40 m above the floor and a speed of 3.0 m/s at a 30 angle, as shown in Figure 2. 2. The height H is most nearly 0.45 m 0.51 m 0.86 m (B) (C) (D) 1.7 m Jong H organa (uirky Figure 1 istorier 3.0 m/s Figure 2 30 To.40 m

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To find the original height H from which the block is released we can use the conservation of mechan... View the full answer