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Oduvanchick [21]
3 years ago
5

Question in pic asap plz

Physics
1 answer:
REY [17]3 years ago
5 0
We can’t see anything
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A metaphor is:
ivolga24 [154]
A metaphor is<span> a comparison between two non related objects where the first object is said to be equal to the second.</span>

The answer is d.
6 0
3 years ago
An object is launched upwards at an initial speed of 3 m/s. What is the maximum height reached by the object from where it was l
ollegr [7]

Answer:

the maximum height reached by the object from where it was launched is 0.4591 m

Explanation:

initial speed of the object, u= 3 m/s

The velocity at the maximum height will always be 0.

Therefore,  final velocity, v= 0 m/s  

Using the Newton's  equation of motion,

v^2 - u^2 = 2*g*h(max)

0 - u^2= 2*g*h(max)

h(max) = -u^2 /2* g

where g is the gravitational acceleration.

g= - 9.8 m/s^2

substituting the values in equation,

h(max)= - (3*3) / 2*(-9.8)

h(max) =  0.4591 m

the maximum height reached by the object from where it was launched is 0.4591 m

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4 0
2 years ago
A 0.25 ball is thrown with the speed of v=4.5m/s at a resting stick that can rotate around one end at the axis O. The ball hits
malfutka [58]

Answer:

\mathbf{^\to Q =0.84375 \ (- \hat z)  \ kgm^2s^{-1}}

Explanation:

mass of the ball = 0.25  kg

its speed v = 4.5 m/s  

r = 0.75 m

let the speed be in the horizontal direction and the distance r be in the vertical direction we have :

^ {\to}v = 4.5 \ x  \ \  m/s

^ {\to}r = 0.75 \  y \ \  m/s

Let the momentum about the center of intersection be P;

SO;

^ \to} P = ^{\to} mv

^ \to} P = 0.25* 4.5 \ x  \ \  m/s

^ \to} P = 1.125 \ x  \ \  m/s

Let the angular momentum be Q;

^\to Q = ^ \to r*  ^ \to P

^\to Q = (0.75*1.125) kgm^2s^{-1} *(\hat y * \hat x)

\mathbf{^\to Q =0.84375 \ (- \hat z)  \ kgm^2s^{-1}}

6 0
4 years ago
A proposed high-speed train between Houston and Dallas will travel a distance
Colt1911 [192]

Explanation:

the third answer is correct

71.5m/s

6 0
3 years ago
The water table is the upper limit of the
Furkat [3]

Answer:

zone of saturation

Explanation:

The water table is the upper limit of the zone of saturation. At the zone of saturation, the aquifers are filled with water completely. The void spaces within the rock particles are taken up by fluids.

The upper limit of this zone is the water table.

Above the water table is the zone of aeration where the pore spaces are filled within air.

During the time of recharge especially raining seasons, part of the zone of aeration are filled with water.

3 0
3 years ago
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