PE = mgh, so you're looking for the heavier object higher up.
Multiply the given mass and height to see which is more.

A. (30)(1.5) = 45
B. (20)(2) = 40
C. (30)(2) = 60
D. (20)(1.5) = 30

So C has the most gravitational potential energy

3 0

3 years ago

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Which has is a product of photosynthesis? A. Carbon Dioxide B. Oxygen C. Hydrogen.

SCORPION-xisa [38]

I think its c. Hydrogen

6 0

3 years ago

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Seismographs measure the arrival times of earthquakes with a precision of 0.125 s. To get the distance to the epicenter of the q

zloy xaker [14]

Answer:

435 m

Explanation:

The precision with which the distance to the source of the earthquake can be estimated is equal to the difference in distance covered by the S- and P-waves in the time of 0.125 s.

The distance covered by each type of wave is given by

$d=vt$

where

v is the speed of the waves

t is the time

For S-waves,

v = 3.74 km/s

t = 0.125 s

So the distance covered is

$d_s=(3.74)(0.125)=0.4675 km = 467.5 m$

For P-waves,

v = 7.22 km/s

t = 0.125 s

So the distance covered is

$d_p=(7.22)(0.125)=0.9025 km = 902.5 m$

So, the precision with which the distance can be determined is:

$\Delta d = 902.5 - 467.5 =435 m$

4 0

3 years ago