Answer:
(a) 1852259 
(b) 489085.47 pound
Explanation:
We have given auditorium measures 35 m×30 m×5 m
We know that 1 meter = 3.28 feet
So the measure of auditorium = 35×3.28 feet ×30×3.28 feet× 5×3.28 feet
(a) So the volume of the auditorium 
Density is given as 
(b) weight of air = volume × density 
We know that 1 kg = 2.20 pound
So 222311.577 kg =222311.577×2.20=489085.47 pound
Answer:
F = 153637 lb
Explanation:
Let's use the kinematic equations to find the airplane's braking speed
v² = v₀² + 2 a d
The final speed is zero
a = - v₀² / 2d
Let's reduce the magnitudes
v₀ = 110 mi / h (5280 ft / 1 mile) (1 h / 360 s) = 161.33 ft / s
a = -161.33²/2 90
a = -144.60 ft / s²
Now we can use Newton's second law to find the tension
F = m a
F = (34000/32) 144.60
F = 153637 lb
1. A spring or elastic can be stretched to store energy as it wants to return to rest.
2. Gravitational every can be is stored by moving a ball against gravity when lifted then released when bounced.
3. Separating two charged plates will store energy as the plates want to return to their original position.
<span />
Answer:
6 m/s²
Explanation:
From the question given above, the following data were obtained:
Velocity (v) = 30 m/s
Time (t) = 5 s
Acceleration (a) =..?
Acceleration is defined mathematically as:
Acceleration (a) = Velocity (v) /time (t)
a = v /t
With the above formula, we can obtain the acceleration of the object as follow:
Velocity (v) = 30 m/s
Time (t) = 5 s
Acceleration (a) =..?
a= v/t
a= 30/5
a = 6 m/s²
Therefore, the acceleration of the object is 6 m/s² due East.
