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MaRussiya [10]
3 years ago
13

ConvertConvert 5 km into cm​

Physics
2 answers:
Kay [80]3 years ago
6 0

Answer:

500,000 cm

Explanation:

5 km = 5×10³ m

1 cm = 0.01 m

5×10³/0.01 = 500,000 cm

svet-max [94.6K]3 years ago
4 0

Answer:

1 m= 1000m

100cm = 1m

so

5 mutiple 1000 and 5000 muptiple by 100

Explanation:

500000

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The 1 kg box is sliding along a frictionless surface. It collides with and sticks to the 2 kg box. Afterward, the speed of the t
Nina [5.8K]

Answer:

The speed of the boxes are 1 m/s.

Explanation:

Given that,

Mass of box = 1 kg

Mass of another box = 2 kg

Suppose 1 kg box moves with 3 m/s speed.

We need to calculate the speed of the boxes

Using formula of conservation of momentum

m_{1}u_{1}+m_{2}u_{2}=(m_{1}+m_{2})v

Where, u = initial velocity

v = final velocity

Put the value into the formula

1\times3+2\times0=(1+2)v

v=\dfrac{3}{3}

v=1\ m/s

Hence, The speed of the boxes are 1 m/s.

4 0
3 years ago
Problem 8 I estimate that the Gauss gun (a solenoid) is wound with 500 turns over a distance of 15cm with an average radius of 1
stellarik [79]

Answer:

Energy stored, U = 66.6 J

Explanation:

It is given that,

Number of turns in the solenoid, n = 500

Radius of solenoid, r = 1.5 cm = 0.015 m

Distance, d = 15 cm = 0.15 m

Let U is the energy stored in the solenoid. Its formula is given by :

U=\dfrac{1}{2}LI^2

L is the self inductance of the solenoid

L=\mu_o N^2A d

N is the no of turns per unit length

L=\mu_o (n/d)^2A d

L=\dfrac{4\pi\cdot10^{-7}\cdot500^{2}\cdot\pi\cdot\left(0.015\right)^{2}}{0.15}

L = 0.00148 Henry

U=\dfrac{1}{2}\times 0.00148\times 300^2

U = 66.6 J

Out of given options, the correct option for the energy stored in the solenoid is 70 J. So, the correct option is (a) "70 J".  

6 0
3 years ago
What is one behavior that a plant has that a human would be suprised by
statuscvo [17]
Growing and being able to pollen

3 0
3 years ago
1. If Randy races his F-150 down Highway 1 for 2560 meters in 60 seconds, what is his average speed?
Nimfa-mama [501]

The average speed is 42.7 m/s

Explanation:

The speed of an object in uniform motion (=moving at constant speed) is given by the equation:

v=\frac{d}{t}

where

v is the speed

d is the distance

t is the time

For the car in this problem, we have:

d = 2560 m (distance)

t = 60 s (time)

Solving the equation, we find the average speed:

v=\frac{2560}{60}=42.7 m/s

Learn more about speed:

brainly.com/question/8893949

#LearnwithBrainly

4 0
3 years ago
The quantum mechanical approach to atomic structure permits the calculation of 1. the most probable distance between any two spe
miss Akunina [59]

Answer:

2. a region about the nucleus in which an electron of specified energy will probably be found

Explanation:

With quantum mechanics we can find the wave function that describes the movement of the particles, the interpretation of this wave function is through the probability density (φ* φ).

This probabilistic interpretation of the energies, position and amounts of motion electrons allow us to find the region around the nucleus where an electron of specific energy can be found with a given probability.

The correct answer is 2

3 0
3 years ago
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