C to raise or lower lightweight objects
Answer:
= 40 km/hr
Explanation:
<u>speed = distance / time</u>
= 22km / 0.55 hr.
= 40 km/hr
Answer: time; mass
Explanation:
The equation E=mc^2 shows that energy, e, and mass, m, are linked.
For objects moving in a straight line, the special theory of relativity applies to show that space and time are linked.
Answer:
proteins carbohydrates and fats
Explanation:
F = ma
200 = 50 * a
4 = a
Therefore acceleration is 4ms^-2