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mars1129 [50]
2 years ago
6

Solve this question please A.S.A.P ⁉️No spamming ❗​

Physics
2 answers:
Lubov Fominskaja [6]2 years ago
7 0

Answer:

<h2>Here given is :-</h2>

<h3>Velocity (u) = 10m/s</h3><h3>Gravity (g) = 10 m/s²</h3><h3>Height (h) = ?</h3>

Explanation:

<h3>v² - u² = 2gh</h3>

<h3>0² - 10² = 2 × (-10) × h</h3>

<h3>-100 = -20 h</h3>

<h2>h =  \frac{ - 100}{ - 20}  = 5m</h2><h3>V = u + gt</h3><h3>0 = 10 - 10t</h3><h3>10t = 10</h3><h2>t =  \frac{10}{10}  = 1 \: sec</h2><h3>Total time = 2 sec</h3>
elena55 [62]2 years ago
4 0

Answer:

See below

Explanation:

vf = vo + at        when it reaches top vf = 0    vo = 10m/s      a = -9.81 m/s^2

0 =   10  + (-9.81) t  

t = 1.02 seconds to reach max

time up = time down   so    roundtrip =  2.04 seconds

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Two satellites are orbiting earth at different altitudes. Which satellite orbits at a higher speed v around earth?
aniked [119]

Answer:

Low satellite has high orbital velocity

Explanation:

let v be the orbital speed of the satellite orbiting at a height h is given by

v=\sqrt{\frac{GM}{R+h}}

where, M be the mass of planet, r be the radius of planet and h be the height of planet from the surface of planet.

here we observe that more be the height lesser be the orbital velocity.

So, a satellite which is at low height has high orbital velocity.

3 0
4 years ago
9) What is the temperature of 5 moles of nitrogen at 1 atm in a 2 liter container?*
REY [17]

Answer:

4.88 K.

Explanation:

From the question given above, the following data were obtained:

Number of mole (n) = 5 moles

Pressure (P) = 1 atm

Volume (V) = 2 L

Gas constant (R) = 0.082 atm.L/Kmol

Temperature (T) =?

The temperature of the gas can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

1 × 2 = 5 × 0.082 × T

2 = 0.41 × T

Divide both side by 0.41

T = 2 / 0.41

T = 4.88 K

Therefore, the temperature of the gas is 4.88 K.

4 0
3 years ago
A 25 N force stretches a spring 0.280 m. What was the spring constant?
soldi70 [24.7K]

Answer:

the  spring constant is -89.2857 n/m

Explanation:

The computation of the spring constant is shown below:

As we know that

Force in newtons = Spring constant × amount of extension

F = -k × x

where

F = 25 N

And, x = 0.280m

So, the spring constant would 2  

= 25N ÷ 0.280 m

= -89.2857 n/m

Hence the  spring constant is -89.2857 n/m

5 0
3 years ago
You run<br> completely around a 400m track in<br> 80s. What was your average velocity?
dalvyx [7]

Answer:

V=?

S=400m

t=80s

V=S/t

V=400/80

V=5m/sec

6 0
4 years ago
Juan lives 100m away from bill. What is juan’s Average speed if he reaches bill’s home in 50s
makkiz [27]
The average speed is given by the total distance travelled/total time taken thus the speed will be
100/50 = 2m/s
6 0
3 years ago
Read 2 more answers
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