The answer is TRUE, batteries CAN supply a steady flow of electrons.
D=Vot+1/2at^2
In this case, there is no initial y velocity so the term Vot=0 so d=1/2at^2
acceleration=acceleration due to gravity=-9.8m/s^2
It falls - 22cm or -0.22m
We have - 0.22=1/2(-9.8)t^2
t^2=(-0.44)/(-9.8)
t=sqrt[0.44/9.8]
The. 3rd one the ram of the bus
Answer:
Object A
Explanation:
given,
Object A
mass,m₁ = 1.4 Kg
speed of the car,v₁ = 14.2 m/s
object B
mass,m₂ = 2 Kg
speed,v₂ = 5 m/s
Kinetic energy of the object will be absorbed by you when it hit you.
KE₁ = 141.148 J
kinetic energy of the object B
KE₂ = 25 J
Hence, the Object A will feel worse if hit you because of the kinetic energy of the object A is more.
Answer:
0.8 seconds
Explanation:
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
g = Acceleration due to gravity = 9.81 m/s²
In the y axis
From the equations of motion we have
It takes 0.8 seconds to strike the ground