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An arrow has a mass of 0.08 kg and is flying 1.2 m above the ground with a speed of 32 m/s. What is the total mechanical energy of the arrow? The acceleration due to gravity is 9.8 m/s2. O A. 4J B. 42
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16 votes
16 votes
An arrow has a mass of 0.08 kg and is flying 1.2 m above the ground with a

speed of 32 m/s. What is the total mechanical energy of the arrow? The
acceleration due to gravity is 9.8 m/s2.
O A. 4J
B. 42 J
C. 1 J
D. 40 J

User Greg Haskins
by
2.7k points

1 Answer

16 votes
16 votes

B 42

Mechanical Energy= Kinetic Energy + potential energy TE=1/2mv²+mgH

= 41.9 J

User Rishabh Garg
by
2.4k points
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