Hi there!
We can use the work-energy theorem to solve.
Recall that:
The initial kinetic energy is 0 J because the crate begins from rest, so we can plug in the given values for mass and final velocity:
Now, we can define work:
Now, plug in the values:
Solve for theta:
Answer:
72 km/hr. ...jshdhdhddjidididdiididudd
Answer:
B, It reacts with oxygen to form a new substance
Explanation:
B
Answer:
it is a measure of the heat content of fuels or energy sources
Explanation: