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3 years ago

What is the SI unit for speed and velocity?

Physics

2 answers:

rosijanka [135]3 years ago

5 0

Answer:

Meter per second

Explanation:

Velocity and speed use the same units when being measured. The SI unit of distance and displacement is the meter. The SI unit of time is the second. The SI unit of speed and velocity is the ratio — the meter per second .

Anarel [89]3 years ago

4 0

Answer:

the answer is meter per second

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3 years ago

Three joules of work is needed to shift 10 C of charge from one place to another. The potential difference between the places is

dimaraw [331]

Answer:

The potential difference between the places is 0.3 V.

∴ 1st option i.e. 0.3V is the correct option.

Explanation:

Given

Work done W = 3J

Amount of Charge q = 10C

To determine

We need to determine the potential difference V between the places.

The potential difference between the two points can be determined using the formula

Potential Difference (V) = Work Done (W) / Amount of Charge (q)

$\:V\:=\:\frac{W}{q}$

substituting W = 3 and q = 10 in the formula

$V=\frac{3}{10}$

$V=0.3$ V

Therefore, the potential difference between the places is 0.3 V.

∴ 1st option i.e. 0.3V is the correct option.

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2 years ago

Pesure is defined the force over a given area.

dezoksy [38]

Answer:yes absolutely

Explanation:

7 0

3 years ago

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A 250–g piece of gold is at 19 °C. 5.192 kJ of energy is added to it by heat. The specific heat of gold is 129 J/(kg·°C). Calcul

algol [13]

Answer:

A. DT is given by Q= MCs DT

m = mass of the substances

Cs= is it's specific heat capacity

Ck= Q

Mk ×DTk

=250 × 9 × 5

129

=Dt = 180.1085271

answer is 180degree C.

Explanation:

B. = 25×10 ×100

1.082

=2500

1.082

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2 years ago

Object A is placed on top of object B. Object A is the same temperature as object B. How will heat flow between object A and obj

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2 years ago

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