Answer:
a = 1.34 m/s²
Explanation:
given,
mass of the attendant(M) = 75 Kg
mass of cart (m)= 27 Kg
Backward force exerted on floor (F)= 155 N
frictional force on the cart (f)= 18 N
acceleration
![a = \dfrac{F_{net}}{M+m}](https://tex.z-dn.net/?f=a%20%3D%20%5Cdfrac%7BF_%7Bnet%7D%7D%7BM%2Bm%7D)
F_{net} = F - frictional force
F_{net} = 155 N - 18 N
F_{net} = 137 N
now,
![a = \dfrac{137}{75 + 27}](https://tex.z-dn.net/?f=a%20%3D%20%5Cdfrac%7B137%7D%7B75%20%2B%2027%7D)
![a = \dfrac{137}{102}](https://tex.z-dn.net/?f=a%20%3D%20%5Cdfrac%7B137%7D%7B102%7D)
a = 1.34 m/s²
the acceleration produced when flight attendant is equal to a = 1.34 m/s²
Science is based on norms of scientific research, while pseudoscience does not.
A tornado is a natural force It is a very strong wind that causes thing to damage
Answer:
Therefore the magnitude of tangential velocity is 20 m/s.
Explanation:
Tangential velocity:The tangential velocity is the straight line velocity of at any point of rotating object.
It is denoted by ![v_t](https://tex.z-dn.net/?f=v_t)
![v_t= \omega r](https://tex.z-dn.net/?f=v_t%3D%20%5Comega%20r)
ω= angular velocity
r = radius of rotating object.
Angular velocity: Angular velocity is ratio of angle to time.
Here ω= 50 rad/s and r = 0.4 m
Tangential velocity=(50 ×0.4)m/s
=20 m/s
Therefore the magnitude of tangential velocity is 20 m/s.