Answer:
31.25
Explanation:
The formula for the potential energy of a spring is 
, where x is the distance in meters the spring is stretched. Plugging in the numbers that you are given, you get 
. Hope this helps!
i will say that 32.2m s2 bt am not sure
Acceleration is change in velocity over change in time. Your Δv is +13.9, since you increased speed by 50 km/h which is 13.9 m/s, and your Δt is 10s. 13.9/10 = 1.39 m/s^2, the standard units for acceleration. Make sense?
Positive ions from a base and negative
ion from an acid form salt.
<span>To add, table
salt or common salt is a mineral composed primarily of sodium chloride, a
chemical compound belonging to the larger class of salts. Rock salt or halite
is also the common term for salt in its natural form.</span>
