Answer:
The bucket was the dropped from 56 th floor.
Explanation:
Given that,
Height of floor = 4.9 m
Height of 14 floor = 68.6 m
Time taken = 1 sec
We need to calculate the speed of the bucket
Using equation of motion
Put the value into the formula
We need to calculate the time
Using equation of motion
Put the value into the formula
We need to calculate the distance
Using equation of motion
Put the value into the formula
We need to calculate the number of floor
Put the value into the formula
The bucket was the dropped from
Hence, The bucket was the dropped from 56 th floor.
Answer:
Explanation:
Given
Initial horizontal speed of book
time taken to reach
Considering vertical motion
h=displacement
u=initial velocity
a=acceleration
t=time
(b)horizontal distance moved
(c)Horizontal component of velocity will remain same as there is no acceleration in horizontal direction
vertical velocity at bottom is
1. solid
2. The molecules are tightly packed together so tha means there is less movement between the molecules.
Answer: 34%
Explanation: eff = (Eout/Ein) *100(for % form)
1200/3500 * 100 = 34%