I'm pretty sure a violin produces a higher-pitched sound. I play the violin and it's pretty loud. (Hope this helps)
Answer:
400m
Explanation:
From Newton's law of motion;
S = ut + 1/2 at2
Where U is initial velocity
a is acceleration
t is velocity hence;
S is distance covered
S = 20×10 + 1/2 × 4×(10)^2
= 200 + 200 = 400m
All the bats living in a cave form a __colony__of bats in the cave ecosystem.
Answer: He did none.
Explanation:
Even though he may have felt like he did work, none was done.
The only way for work to happen is if the object moves.
