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jonny [76]
4 years ago
7

HELP ASAP PLEASE Which of the following mechanical waves have the same energy?

Physics
2 answers:
serious [3.7K]4 years ago
6 0

Answer:

1 and 4 is the answer

UNO [17]4 years ago
6 0

Answer:

1 and 4

Explanation:

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If a car has an initial velocity of 20 m/s and accelerates at 2.0 m/s² for 100 m, what is its final velocity?
WINSTONCH [101]

Answer:

28.28 ms-1

Explanation:

v² = u² + 2as

v² = 20² + 2× 2×100

v² = 800

v = 28.28 ms-1

8 0
3 years ago
Which best Describes How the function of the Cell Membrane differs in plant and animal Cells
kramer

Answer:

C

Explanation:

Animals do not have cell wall thus membrane controls movement in and out while in plants it helps store genetic material inside

8 0
3 years ago
When 180 joules of work is done to push a box horizontally 15.3 meters, how much
AnnZ [28]

Answer:

11.76Newtons

Explanation:

Workdone = Force * distance

Given

Workdone = 180joules

Distance = 15.3 metres

Required

Force

From the formula;

Force - Work/distance

Force = 180/15.3

Force = 11.76Newtons

Hence the required force is 11.76Newtons

5 0
3 years ago
What’s the difference between weight and support force? *oof*
grandymaker [24]
Force is a measure of the interaction between bodies, mass is a measure of the amount of material in an object, weight is the gravitational force acting on a body (although for trading purposes it is taken to mean the same as mass) and load usually means the force exerted on a surface or body
4 0
4 years ago
This physics problem is kinda complicated to my small brains...
Veronika [31]

Answer:

\huge\boxed{\sf P.E. = 14700\ Joules}

Explanation:

This work done is in the form of Potential Energy so we'll use the formula of Potential Energy.

<u>Given Data:</u>

Mass = m = 250 kg

Acceleration due to gravity = g = 9.8 m/s²

Height = h = 6 m

<u>Required:</u>

Work Done in the form of Potential Energy = P.E. = ?

<u>Formula:</u>

P.E. = mgh

<u>Solution:</u>

P.E. = (250)(9.8)(6)

P.E. = 14700 Joules

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
4 0
3 years ago
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