A constant-velocity horizontal water jet from a stationary nozzle impinges normally on a vertical flat plate that rides on a nea

Answer:

2 m/s²

Explanation:

Answer:

A) 328 m

B) 80.22 m/s

C) 8.18 sec

Explanation:

A)

The rocket's initial acceleration is 2.25 m/s²

Time until engine failure is 15.4 s

Initial velocity u during takeoff = 0 m/s

Distance covered while the engine is functional =?

We apply Newton's laws for this calculation

S = ut + a

Here, S represents the distance traveled under the rocket's thrust

S = (0 x 15.4) + (2.25 x )

S = 0 + 266.81 m = 266.81 m

Before the engine fails, the final velocity can be found using:

v = u + at

v = 0 + (2.25 x 15.4) = 34.65 m/s

Once the engine fails, the rocket decelerates under gravitational pull at g = -9.81 m/s²  (acting downwards)

The upward initial velocity when freefall begins is v = 34.65 m/s

The final velocity is reached at peak height, where the rocket halts, therefore:

u = 0 m/s

The distance covered during this freefall will be s =?

Utilizing the equation

= + 2gs

= + 2(-9.81 x s)

0 = 1200.6 - 19.62s

-1200.6 = -19.62s

s = -1200.6/-19.62 = 61.19 m

Thus,

Maximum Height = 266.81 m  + 61.19 m =  328 m

B)

At maximum height, the rocket’s initial upward velocity drops to 0 m/s (the rocket completely stops)

The descent occurs freely under g = 9.81 m/s² (acting downwards)

The distance covered during the fall will be 328 m

Final velocity v just prior to impact =?

Applying = + 2gs

= + 2(9.81 x 328)

= 0 + 6435.36

v = = 80.22 m/s

The time taken before reaching the pad is found as follows

v = u + gt

80.22 = 0 + 9.81t

t = 80.22/9.81 = 8.18 sec

<span>A.) When a lateral force of 300 N is exerted on the motor, what will the sideways displacement be?</span>

No, that statement isn't correct because an atom is made up of two main regions and three subatomic particles: protons, neutrons, and electrons. Each of these particles is smaller than the atom itself, qualifying them as subatomic particles. To be classified as an atom, both protons and electrons are essential — for example, hydrogen has one proton and one electron. Neutrons don't influence the atomic electrical charge; they only add to the atomic mass.

The density of mercury in its liquid form is


We understand that the equation determining the pressure at the base of a fluid column can be expressed through Stevin's law

where
represents the density of the liquid
g signifies the acceleration due to gravity
h indicates the height of the fluid column

Given that the pressure at the lower section of the beaker is , we can manipulate the preceding formula to calculate the height of the mercury column