The mass of a carbon atom is 2.0×1026kg. Part A What is the kinetic energy of a

Question

The mass of a carbon atom is 2.0×1026kg.

Part A

What is the kinetic energy of a carbon atom moving with a speed of 690 m/s ?

Express your answer to two significant figures and include the appropriate units.

Part B

Two carbon atoms are joined by a spring-like carbon-carbon bond. The potential energy stored in the bond has the value you calculated in part A if the bond is stretched 0.050 nm. What is the bond's spring constant?

Express your answer to two significant figures and include the appropriate units

-The three ropes shown in the bird's-eye view of the figure(Figure 1) are used to drag a crate 3.7 m across the floor.

Part A

How much work is done by each of the three forces?

Express your answers using two significant figures. Enter your answers numerically separated by commas.

Explanation / Answer

1)4.761*10 ^ - 21J

part b:

spring constant=k=3.808 N/m

part c:

i did not get figure

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