Answer:
No
Explanation:
Acceleration means the change in velocity. Since velocity is a vector of speed and direction, if your direction is changing you can be accelerating without changing your speed. So if the direction of the velocity changes, so will the acceleration. Hope this helps!
Answer:
it will be zero degree
the angle of reflection is zero on hemisphere sides and angle of i is equal to angle of r
That depends on the substance you're trying to warm up.
If it's water, then it takes a lot more heat to do that job
than if it's air (or just about anything else other than water).
Answer:
for the secound one i think it would be 45.87 let me know if this is wrong I love to get my feed back
Explanation: