Answer:
350N
Explanation:
Given parameters:
Mass of the man = 125kg
Mass of the watermelon = 6kg
Mass of cantaloupe = 3kg
Mass of potatoes = 6kg
Acceleration = 2.5m/s²
Unknown:
Force required to get home = ?
Solution:
To find this force we use;
Force = mass x acceleration
mass = 125 + 6 + 3 + 6 = 140kg
So;
Net force = 140 x 2.5 = 350N
The maximum speed of the donkey is 10.72m/s
The question is based on the principle of motion in one dimension and hence formulas of motion in one dimension can be applied.
It is given that donkey attains an acceleration of 1.6 m/s^2
The time taken to accelerate to given speed is 6.7 seconds
We use the formula v=u + at to find the fastest speed
v is the final or maximum speed
u is the initial speed which in this case is 0 as the donkey is at rest
a is the acceleration of the donkey
t is the time taken in seconds
v = u + at
v= 0 + 1.6 x 6.7
= 10.72 m/s
Hence the donkey obtains the speed of 10.72 m/s
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Answer:
The remaining percentage of drug concentration is about 88.7% 2 years after manufacture.
Explanation:
Recall the formula for the decay of a substance at an initial 
concentration at manufacture:
where k is the decay rate (in our case 0.06/year), and t is the elapsed time in years. Therefore, after 2 years since manufacture we have:
This in percent form is 88.7 %. That is, the remaining percentage of drug concentration is about 88.7% 2 years after manufacture.
Answer:
I would say the answer is the wave of 21.000Hz
Explanation:
Because it has more frequency, and as more frequency you add, the time or longer period also increases.
Answer:
You now this question state why a person standing at point Y hears an echo
