Answer:
12s
Explanation:
the formula is
s = u×t + 0.5×a×t²
where:
s is the displacement of the object at this time (so it's equal to 0)
u is the initial speed
t is the time you have to find
a is the acceleration due to gravity
Answer:
Explanation:
#1 uses Newton's 2nd Law: F = ma so filling in:
750 = .4a and
a = 1875 m/s/s
#2 uses d = rt so
d = 12.3(25) and
d = 307.5 m
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The answer is Tropical Cyclone. <span>A </span>tropical cyclone<span> with maximum sustained winds of 74 mph (64 knots) or higher. In the western North Pacific, hurricanes are called typhoons; similar storms in the Indian Ocean and South Pacific Ocean are called </span>cyclones<span>.</span>
Answer:
C) not change
Explanation:
This question is typically the principle of Archimedes. If the pressure on the surface of the can is doubled, the buoyant force on a stone would not change because it would be equal to the weight of the water that is displaced.
A). nuclear
No. There were batteries long long before we learned
how to use nuclear energy. Also, there is no danger of
exposure to radioactivity when you're working with a battery.
b). mechanical
No. A battery has no moving parts.
c). gravitational
No. No matter how high you take a battery in an airplane, or
how far you lower it into a mine-shaft, its characteristics don't
change. In fact, batteries even work on things that are in orbit.
d). chemical
Bingo.
