False. They're vibrating strings. Drums have membranes (a membrane is like a sheet)
Weight = (mass) x (gravity)
From this simple formula for weight, you can see that
an object's weight is directly proportional to the acceleration
of gravity in the place where the object is located.
If the object weighs 350 N on Earth and 134 N on Mars, then
we can write
(9.8 m/s²) / 350 = (Mars gravity) / 134
Multiply each side by 134:
Mars gravity = (134/350) x (9.8 m/s²)
Mars gravity = 3.75 m/s²
(The official, accepted value is 3.71 m/s² .)
Answer:
No
Explanation:
This is because the amount of fire under the aluminum pan is more intense than that of the enamel pan.
Answer:
Residence time = 5000 years
Explanation:
Given that ;
the mass of oxygen in the atmosphere = 1.4 million gigatons = 1.4 × 10⁶ gigatons
Major sources of oxygen to atmosphere include:
Photosynthesis by plants on land = 125 gigatons/yr
Photosynthesis by plants in ocean = 155 gigatons/yr
Total rate of oxygen = (125 + 155) gigatons/yr
= 280 gigatons/yr
the residence time of oxygen in the atmosphere is therefore calculated by the formula:
Residence time =
Residence time =
Residence time = 5000 years
Answer:
The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable. An example of a dependent variable is depression symptoms, which depends on the independent variable
Explanation:
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