<span>If the force is fn, then it acting on the block, in the term of f2 and the other variables of the problems. then we assume the surface is rest on it's rigid, then the magnitude of the force is,
fn =f2 sin(?) +m g</span>
Answer:
a
Explanation:
If its not right choose D
Answer:
Explanation:
The Sun won't explode. ... Eventually (in five or seven billion years time), the Sun's life will come to an end. Our star will swell up, becoming something called a “Red Giant” star. It might even get so big that it swallows the Earth whole.
Answer:
180 degrees
Explanation:
if the waves are in phase this means that their frequency is doubled or amplitude is doubled
