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sp2606 [1]
3 years ago
13

Do all objects fall at the same rate?and if they do not why?

Physics
1 answer:
Tema [17]3 years ago
6 0
No, I heavier object will fall much faster than something lighter than it. This is because it’s more dense and hard so it can cut through the air particles quicker than a lighter object which takes longer to cut through the air and fall

Example:

A rock vs a feather
The rock will fall quicker because it’s more dense and falls straight down and the feather will be slower because it flows slowly down through the air particles
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How long would it take a bus driver at 50 km/ h to travel 125km
poizon [28]

Answer:

About 30 minutes

Explanation:

4 0
3 years ago
calcula el potencial electrico de un punto B que se encuentra a 75cm de una varga positica q=9×10-6c​
ankoles [38]

Answer:

V = 72000 volts

Explanation:

calculates the electric potential of a point B that is 75cm from a positive charge q = 9 × 10-6c

Given that,

Electric charge, q=9\times 10^{-6}\ C

We need to find the electric potential of a point B that is 75 cm from this charge. The formula for the electric potential is given by :

V=\dfrac{kq}{r}\\\\V=\dfrac{9\times 10^9\times 6\times 10^{-6}}{0.75}\\\\V=72000\ V

So, the electric potential is equal to 72000 Volts.

3 0
3 years ago
Light of wavelength 500 nm illuminates a round 0.50-mm diameter hole. A screen is placed 6.0 m behind the slit.. Find the width
Paul [167]

Answer:

15mm

Explanation:

We know that for circular holes first dark spot is given by

sin စ = 1.22 λ/D

Also we know that at the same time

tan စ = r/L

So

r = L tanစ = 6 x tan( arcsin(1.22x 500 x10^9/0.50 x 10^ 3))

= 0.0073 m = 7.3 mm

However since the size is twice that so 14.6 mm which is approx 15mm

5 0
3 years ago
The density of sodium is 968 g/cm3. Suppose you need 250 gm of sodium for an experiment. Which volume of sodium do you need?
Tatiana [17]
We know, d = m/v
d = 968 g/cm3
m = 250 gm

Substitute their values, 
968 = 250 / v
v = 250 / 968
v = 0.26 cm3

In short, Your Answer would be Option B

Hope this helps!
8 0
3 years ago
This is for science
andriy [413]

Answer:

Look at this picture hopefully it helps

6 0
3 years ago
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