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Nitella [24]
4 years ago
15

the modern periodic law, according to Moseley, classifies elements based on arranging elements in ___ order

Physics
1 answer:
Amanda [17]4 years ago
4 0

increasing atomic number

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How far did an airplane go if it traveled at 700 mph for 3.5 hours?
Scrat [10]
2,450 miles. you have to do 700•3.5= 2,450
6 0
3 years ago
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By how much will the velocity of a vehicle change if it accelerates at 10 m/s/s for a period of 10 seconds​
pishuonlain [190]

Answer:

Explanation:

we know that the time rate of change of velocity is called acceleration mathmetically;

a=Δv/Δt

Δv=a*Δt

a=10 m/s²

t=10 sec

Δv=10*10=100 m/s

7 0
4 years ago
What is the velocity of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg·m/sec?
nadezda [96]
V =  p / m

V =  1000 / 2.5

V = 400 m/s

hope this helps!
7 0
3 years ago
How do I calculate how many meters are in 7.2 light years?
Vikentia [17]

Answer:

68.2 Quadrillion meters

Explanation:

A lightyear is the distance that light travels in one year.

Speed of light is 3*10^8\ m/s

So light covers 300,000,000 meters in one second.

One year has 31536000 seconds so , light covers

9.461*10^{15}\  meters\ in\ one\ year

so 7.2 light years is

7.2*(9.461*10^{15})\\6.82*10^{16}

so 7.2 light years is

6.82 x 10^(16) meters or

68.2 Quadrillion meters

5 0
3 years ago
aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, start text, space, m, m, end
GarryVolchara [31]

The total distance traveled by Aliaa using her skateboard for 20 revolution of the wheels is equal to 3770 millimeters.

<u>Given the following data:</u>

Diameter of skateboard = 60 mm.

Number of revolution = 20 revolutions.

Radius = diameter/2 = 60/2 = 30 mm.

<h3>What is distance?</h3>

Distance can be defined as the amount of ground covered (traveled) by a physical object over a specific period of time and speed, regardless of its direction, starting point or ending point.

For one revolution of the wheels, the distance traveled by Aliaa using her skateboard is given by:

Distance = 2πr

Distance = 2 × 3.142 × 30

Distance = 188.5 mm.

Therefore, the total distance traveled by Aliaa using her skateboard for 20 revolution of the wheels is given by:

Distance = 188.5 × 20

Distance = 3770 millimeters.

Read more on distance per revolutions here: brainly.com/question/10989073

#SPJ4

8 0
2 years ago
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