Which graph best represents the relationship between the acceleration of an object falling freely near the surface of Earth and
the time that it falls?
1 answer:
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Answer:
1/3
Explanation:
We can solve the problem by using the lens equation:
where
f is the focal length
p is the distance of the object from the lens
q is the distance of the image from the lens
Here we have a divering lens, so the focal length must be taken as negative (-f). Moreover, we know that the object is placed at a distance of twice the focal length, so
So we can find q from the equation:
Now we can find the magnification of the image, given by:
Answer:
The force is
The time is
Explanation:
From the question we are told that
The mass of the car is
The initial velocity of the car is
The final velocity of the car is
The acceleration is
Generally the acceleration is mathematically represented as
=>
=>
converting to seconds
=>
Generally the force is mathematically represented as
=>
=>
Now converting to foot-pound-second we have
=>
Answer:
The mass of the objects
Distance between the objects
Explanation:
The two factors that determines the amount of gravitational force between two objects is the mass of the objects and the distance between them.
Gravitational force of attraction is directly proportional to the product of the masses of the two objects and inversely proportional to the square of the distance between them. This is the postulate of the newton's law of universal gravitation.
Mathematically:
F =
m is the mass
r is the distance
G is the universal gravitation constant