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The kinematic formulas are a set of formulas that relate the five kinematic variables listed below.
Δx - Displacement
t - Time interval
v0 - Initial velocity
v- Final velocity
a - Constant acceleration
A block floats partially submerged in a container of liquid. When the entire container is accelerated upward, which of the follo
1 answer:
Answer:C
Explanation:
Partially submerged block along with vessel is accelerated upwards .
Initially the block weight is supported by buoyant force such that it is in equilibrium.
when the system start accelerating upwards then the effective gravity will be
g+a where a is the acceleration of the system.
so only net gravity is increased so block will not ascend or descend.
Mathematically
where density of liquid
V=volume of object inside the water
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Answer:
The displacement is
The distance is
Explanation:
From the question we are told that
The height from which the ball is dropped is
The height attained at the first bounce is
The height attained at the second bounce is
The height attained at the third bounce is
Note : When calculating displacement we consider the direction of motion
Generally given that upward is positive the total displacement of the ball is mathematically represented as
Here the 0 show that there was no bounce back to the point where Billy released the ball
=>
Generally the distance covered by the ball is mathematically represented as
The 2 shows that the ball traveled the height two times
=>
Answer:
4.7ft
Explanation:
Pls see attached file
