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lidiya [134]
4 years ago
11

When the speed of the bottle is 2m/s

Physics
1 answer:
vladimir2022 [97]4 years ago
3 0
K=1/2 mv^2
K=1/2(0.250)(2)^2=0.5j
M=0.250kg
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A 92-kg receiver running at 8 m/s catches a pass across the middle and is immediately brought to a stop during a collision with
sammy [17]

Answer: 1200\ N

Explanation:

Given

Mass of receiver m=92\ kg

Running at a speed of v=8\ m/s

time taken to stop t=0.6\ s

We know, impulse imparted is given by

\Rightarrow F\cdot dt=m\Delta v\\\Rightarrow F(0.6)=90(8-0)\\\\\Rightarrow F=\dfrac{90\times 8}{0.6}\\\\\Rightarrow F=1200\ N

Thus, 1200 N is needed to stop the receiver.

7 0
3 years ago
Identify the phyla of the organisms on the basis of following distinct characteristics:
MrRissso [65]

Answer:

Phylum Annelida commonly referred as segmented worms possess long , cylindrical and segmented body .

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3 0
3 years ago
A large piece of jewelry has a mass of 132.6 g. a graduated cylinder initially contains 48.6 ml water. when the jewelry is subme
Lerok [7]

The density of the substance is<u> 10.5 g/cm³.</u>

The jewelry is made out of <u>Silver.</u>

Density ρ is defined as the ratio of mass <em>m</em> of the substance to its volume V<em>. </em> The cylinder contains a volume <em>V₁ of water</em> and when the jewelry is immersed in it, the total volume of water and the jewelry is found to be V₂.

The volume <em>V</em> of the jewelry is given by,

V=V_2 -V_1

Substitute 48.6 ml for <em>V₁ </em>and 61.2 ml for V₂.

V=V_2 -V_1\\ =61.2 ml -48.6 ml\\ =12.6 ml

calculate the density ρ of the jewelry using the expression,

\rho =\frac{m}{V}

Substitute 132.6 g for <em>m</em> and 12.6 ml for <em>V</em>.

\rho =\frac{m}{V}\\ =\frac{132.6 g}{12.6 ml} \\ =10.5 g/ml

Since 1 ml=1 cm^3,

The density of the jewelry is <u> 10.5 g/cm³.</u>

From standard tables, it can be seen that the substance used to make the jewelry is <u>silver</u><em><u>, </u></em>which has a density 10.5 g/cm³.



4 0
3 years ago
An object travels in a circular path of radius 5.0 meters at a uniform speed of 10. m/s. What is the magnitude of the object's a
vladimir1956 [14]
I think F= mv²/r
And F=ma
So, ma = mv²/r
a = v²/r
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a = 20 m/s
8 0
4 years ago
Read 2 more answers
In Young’s double-slit experiment using monochromatic light, the interference pattern consists of a central _____.
NNADVOKAT [17]

Answer:

In Young’s double-slit experiment using monochromatic light, the interference pattern consists of a central <u>MAXIMUM</u>.

Explanation:

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Due to this double slit system when light reaches to the screen there exist a finite path difference on the screen and which will create phase difference between two light reaches on the screen

It is given as

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so here if path difference is zero due to two slits at the center of the screen

Then in that case

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so we will have maximum intensity at the center of the screen when light will reach at the center of the screen.

4 0
4 years ago
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