The components that must be present for work to be considered is a force and a movement in the same direction as the force. In the basic definition of work, a magnitude and displacement that occurs in the same direction is what makes up work. Among the choices, the correct answer is the first one.
Answer:12,352 cal
Explanation:
Given
to change 16 gm ice at 
First we need to take ice to 
then change its state to water and then raises water temperature from 0 to 
.
After it change water phase to steam and then raise its temperature to 
+
Q=12,352 cal
D because u r using your energy to do all the things
Answer: Top left to bottom right, top right to bottom left
Explanation:
A linear position time graph means a horizontal line on the velocity graph so top left matches the bottom right
With the process of elimination, bottom left matches the top right
Answer:
90m
Explanation:
Distance is not a vector but a scalar quantity. depicted by a quantity only.
hence:
Distance is equal to 30+40+20 = 90 m
