You want to know how to solve it?
Answer:
The velocity is
Explanation:
From the question we are told that
The velocity of the water in the pipe is 
The pressure inside the pipe is 
The pressure at the nozzle is 
The density of water is 
For the height 
where
is height of water in the pipe
and
is height of water at the nozzle
Generally Bernoulli equation is represented as

=> 
Where
is the velocity of the water at the nozzle
Now making
the subject

substituting values


Answer:
6926.4J
Explanation:
Given parameters:
Mass of iron = 200g
Initial temperature = 100°C
Final temperature = 22°C
Unknown:
Amount of heat transferred to the water = ?
Solution:
The quantity of heat transferred to the water is a function of mass and temperature of the iron;
H = m c Ф
m is the mass of the iron
Ф is the change in temperature
C is the specific heat capacity of iron = 0.444 J/g°C
Now;
insert the parameters and solve;
H = 200 x 0.444 x (100-22)
H = 6926.4J
<span>A. the distance between them
</span>inversely proportional to the square of distance according to
F = Gm1m2/d^2
Answer:
t = 3.3 s and V = 15 m/s
Explanation:
Given that,
Distance covered by the car, d = 50 m
Initial speed, u = 5 m/s
Final speed, v = 25 m/s
Firstly we can find the acceleration of the car using third equation of motion. i.e.

Let t is the time taken by the car to occur this.

Let v is the average velocity of the car. It can be calculated as follows :

So, the time taken by the car to occur this is 3.3 seconds and the average velocity of the car is 15 m/s.