2 years ago

How do i turn 36 m/s into mph

Physics

1 answer:

gayaneshka [121]2 years ago

5 0

Answer:

me no speak d english

Explanation:

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Use the dimensional analysis and check the correctness of given equation:-<br> PV= nRT

Harman [31]

PV=nRT

Here

P=Pressure

V=Volume

n=Molarity

R=universal gas constant

T=Temperature.

LHS

$\\ \tt\bull\leadsto PV$

$\\ \tt\bull\leadsto [ML^2T^{-2}][M^0L^3T^0]$

$\\ \tt\bull\leadsto [ML^5T^{-2}]$

RHS

$\\ \tt\bull\leadsto nRT$

$\\ \tt\bull\leadsto [M^0L^{3}T^0][M^1 L^2 T^{-2}K^{-1}][M^0L^0T^0K^1]$

$\\ \tt\bull\leadsto [ML^5T^{-2}]$

LHS=RHS

hence verified

6 0

2 years ago

Q1.

Vesnalui [34]

Answer:

P = 450 J

Explanation:

Given that,

Mass of a child, m = 18 kg

The vertical distance from the top to the bottom of the slide is 2.5 metres.

The Gravitational field strength = 10 N/kg

We need to find the decrease in gravitational potential energy of the child sliding from the top to the bottom of the slide.

The formula for the gravitational potential energy is given by :

P = mgh

Substituting all the values,

P = 18 kg × 10 m/s² × 2.5 m

P = 450 J

Hence, the decrease in gravitational potential energy is 450 J.

4 0

2 years ago

If F1 = 104 and F2 = 104, what will be the net force?

ladessa [460]

Answer:

208

Explanation:

add it together for the answer

3 0

2 years ago

If the speed of a ball increased from 1m/s to 4m/s, by how much would the kinetic energy increase

GREYUIT [131]

In 16 times
KE= o.5 m times V squared

6 0

2 years ago

Differentiate x sin nx

Sedaia [141]

Answer:

x sin nx = x cos nx

same as

theta / theta x (xsin (nx)) = sin (nx) + (nx) cos (nx)

7 0

1 year ago

Read 2 more answers