Answer:
an experiment is a way to test a hypothesis. A hypothesis is a prediction. You predict that if you change one thing (the independent variable) the other thing (the dependent variable) will change.
Answer:
v = 0.84m/s, v(max)= 0.997m/s
Explanation:
Initial work done by the spring, where c is the compression = 0.28m:

Work lost to friction:

Energy:

(a) Solve for v:

(b) Solve
for x:

if:



Answer:
metal
Explanation:
metal is an excellent conductor for heat and electricity therefore making it perfect to experiment with different temperatures.
Answer: if 5N is applied for 5 seconds then it would move at a constant speed for one second then decrease in speed
The energy of the wave decreases gradually