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ladessa [460]
3 years ago
14

The unit newton metre (N-m) is equivalent to​

Physics
1 answer:
Serggg [28]3 years ago
3 0

Answer:

kg * m^2 / s^2

Explanation:

For each part of the unit, we can find what elementary units they are made up of.

The Newton unit is kg*m/s^2 since F = ma and F is force (with units of newtons). m is mass with units of kg, a is acceleration with units of m/s^2.

The unit m is simply a meter.

Multiply kg*m/s^2 with m to get kg * m^2 / s^2. This is also the unit of torque.

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What is the mass of a dog that weighs 382 N?(unit=kg)
Luba_88 [7]

Answer:

The answer to your question is: mass = 38.93 kg

Explanation:

Data

mass = ?

Weight = 382 N

gravity = 9.81 m/s2

Formula

Weight = mass x gravity

mass = weight / gravity

mass = 382 / 9.81         substitution

mass = 38.93 kg           result

6 0
3 years ago
a body is moving with uniform acceleration, has initial velocity 45km/hr. and acceleration 20cm/s^2. find its velocity after 25
Eddi Din [679]
That’s hard wow!!!!!!
7 0
3 years ago
Lakes
Nataliya [291]
I think is between A&B
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6 0
3 years ago
A box sliding on a horizontal frictionless surface runs into a fixed spring, compressing it a distance x1 from its relaxed posit
inn [45]

Answer:twice of initial value

Explanation:

Given

spring compresses x_1 distance for some initial speed

Suppose v is the initial speed and k be the spring constant

Applying conservation of energy

kinetic energy converted into spring Elastic potential energy

\dfrac{1}{2}mv^2=\dfrac{1}{2}kx_1^2----1

When speed doubles

\dfrac{1}{2}m(2v)^2=\dfrac{1}{2}kx_2^2----2

divide 1 and 2

\dfrac{1}{4}=\dfrac{x_1^2}{x_2^2}

x_2=2x_1

Therefore spring compresses twice the initial value

   

7 0
3 years ago
if the velocity of a body changes from 13m/s to 30m/s while undergoing constant acceleration,what's the average velocity of the
Bess [88]

       Average speed = (1/2) (beginning speed + ending speed)

                               = (1/2)        ( 13 m/s  +  30 m/s )

                               =    (1/2)        ( 43 m/s )

                               =        21.5 m/s
5 0
3 years ago
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