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3 years ago

What is the range of a ball thrown horizontally at 12 m/s if its time of flight is 3.0 s?

Physics

2 answers:

vladimir1956 [14]3 years ago

7 0

Answer:

Explanation:

because I did this assignment, :) your welcome

Next time do it by yourself, but here's the answer kid

natima [27]3 years ago

6 0

It’s 6 the answer it’s 6 I guess and let me know if it right

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A car is traveling at a speed of 10m/s. A 0.5kg clump of mudis

CaHeK987 [17]

Answer:B

Explanation:

Given

speed of car $v=10 m/s$

mass of clump $m=0.5 kg$

Radius of car tire $r=0.2 m$

Since the tire is rotating about axle so a centripetal force is acting constantly on each particle towards the center of tire.

Centripetal force is given by

$F_c=\frac{mv^2}{r}$

where $m=mass\ of\ element$

$v=speed$

$r=distance\ from\ center$

$F_c=\frac{0.5\times 10^2}{0.2}$

$F_c=250\ N$ (inward)

3 0

3 years ago

Consider a double slit experiment in the air. The wavelength of light is 500nm light, the screen is 1m away and two adjacent bri

Bess [88]

Answer: $0.75\ cm$

Explanation:

Given

Wavelength of light $\lambda=500\ nm$

Screen is $D=1\ m$ away

Distance between two adjacent bright fringe is $\Delta y=\dfrac{\lambda D}{d}$

When same experiment done in water, wavelength reduce to $\dfrac{\lambda }{\mu}$

So, the distance between the two adjacent bright fringe is $\Delta y'=\dfrac{\lambda D}{\mu d}$

Keeping other factor same, distance becomes

$\Rightarrow \dfrac{1}{\frac{4}{3}}=\dfrac{3}{4}\quad \text{Refractive index of water is }\dfrac{4}{3}\\\\\Rightarrow 0.75\ cm$

3 0

3 years ago

What type(s) of wave(s) transports visible light?

Anuta_ua [19.1K]

The Electromagnetic and Visible Spectra. I believe..

5 0

3 years ago

What is the name of the units that are normally used to measure energy?

Sati [7]

The basic unit of energy is a joule. Kill calories measure the energy available in food.

8 0

3 years ago

Becky has a shower and uses 20,000g of water with a specific heat capacity of 4200J/KG. When the water is supplied with 336,000J

lara [203]

Answer:

46°C

Explanation:

q = mCΔT

336,000 J = (20 kg) (4200 J/kg/°C) (50°C − T)

T = 46°C

7 0

3 years ago