Answer:
a = 2.22 [m/s^2]
Explanation:
First we have to convert from kilometers per hour to meters per second
We have to use the following kinematics equation:
where:
Vf = final velocity = 11.11 [m/s]
Vi = initial velocity = 0
a = acceleration [m/s^2]
t = time = 5 [s]
The initial speed is taken as zero, as the car starts from zero.
11.11 = 0 + (a*5)
a = 2.22 [m/s^2]
Answer:
The unknown force will be 18.116 lb.
Explanation:
Given that,
Three forces act on a flange as shown in figure.
The net force acting on the flange is a minimum.
We need to calculate the unknown force
Using formula of net force
Put the value into the formula
The magnitude of net force,
On differentiating w.r.to F
Negative sign shows the direction of force which is downward.
Hence, The unknown force will be 18.116 lb.
La velocidad que viaja la luz es 299,792 km por hora
Answer:
Explanation:
k = Coulomb constant =
r = Distance between charges = 2 cm
The electric force is given by
Also
The sum of the force is given by
Thus .
The negative sign is because the force points downward which is taken as negative
This is because the pressure is so much larger at 3000 meters than it is at sea level. Hope this helps.