Answer:
c
Explanation:
the first 35 to 40 acceleration will be 5 same as 40 to 45 ,
5+5=10
Answer:
Density of a substance is the ratio of mass of the substance to its volume.
1 is idk
2 is solvent
3 is gamma rays
4 is transmutation
5 is nuclear fission
6 is nuclear fusion
7 is tracer
8 is half life
9 is
10 is strong force
11 is radioactivity
12 is dissociation
13 is unsaturated solution
14 idk
16 is alpha particle
17 is radioactivity
18 is concentration
19 is solubility
20 is saturated solution
21 is dissociation
22 is saturated solution
23 is saturated solution
24 is idk
25 is electrolytes
26 is idk
27 is non electrolytes
28 is concentration
29 is dissociation
30 is idk
Answer:
The fluids speed at a)
and b)
are
and
respectively
c) Th volume of water the pipe discharges is:
Explanation:
To solve a) and b) we should use flow continuity for ideal fluids:
(1)
With Q the flux of water, but Q is
using this on (1) we have:
(2)
With A the cross sectional areas and v the velocities of the fluid.
a) Here, we use that point 2 has a cross-sectional area equal to
, so now we can solve (2) for
:

b) Here we use point 2 as
:

c) Here we need to know that in this case the flow is the volume of water that passes a cross-sectional area per unit time, this is
, so we can write:
, solving for V:

Answer:
The correct option is;
Sending all passengers below while refueling
Explanation:
Safety tips for refueling a boat includes;
1) People that are not involved in the refueling of the boat should be made to leave the area
2) The engines, electronics, ignition system and open flames should be off
3) Ensure the boat is properly secured to the dock
4) Do not use the hands-free clips and try not to be distracted
5) Ensure not to completely fill the fuel tank as fuel has the tendency to expand as its temperature rises. The tank should have about 90% filling