2. Wheel and axle
3.fulcrum
6.wheel and axle (I think) hope this helps!
Answer:
X rays
Explanation:
We use x-rays to view bones
Answer: 0.42 watts
Explanation:
Given that:
power = ?
energy =500 joules
time = 1200 seconds
Recall that power is the rate of energy expended per unit time
i.e Power = energy / time
Power = 500J / 1200seconds
Power = 0.416 watts (rounded to the nearest hundredth as 0.42 watts)
Thus, the power of the instrument is 0.42 watts
