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Lostsunrise [7]
3 years ago
7

This is on series circuit- im stuck ong.

Physics
1 answer:
Thepotemich [5.8K]3 years ago
5 0

Answer:

figure out what the letter mean , the figure how it's worth

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The u.s has sent unmanned spacecrafts to ___ the planets in our solar system
kirill115 [55]
I think it's C. if we're talking about a rover.

But if it's a rocket that's computerized and automatic (synonym of unmanned)... Then it's B.
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3 years ago
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May somebody help me in this.
aliina [53]

Answer:

answer c. come easy dear.

7 0
3 years ago
I forgot how to do this ;;;
Anit [1.1K]

Explanation:

Acceleration is change in velocity over change in time.

a = Δv / Δt

a = (10 m/s − 5 m/s) / 4 s

a = 1.25 m/s²

Work = force × distance

First, find the distance traveled.

v² = v₀² + 2aΔx

(10 m/s)² = (5 m/s)² + 2 (1.25 m/s²) Δx

Δx = 30 m

Now find the work:

W = (600 kg × 1.25 m/s²) (30 m)

W = 22,500 J

Alternative, work = change in energy.

W = ΔKE

W = ½ mv² − ½ mv₀²

W = ½ m (v² − v₀²)

W = ½ (600 kg) ((10 m/s)² − (5 m/s)²)

W = 22,500 J

8 0
3 years ago
A steel rod has a diameter of 3.75cm.Express it's diameter in millimeters and meter
romanna [79]

Answer:

3.75cm into millimetres

= 3.75 * 10

37.5 millimetres

3.75 cm into metres

3.75/100

= 0.0375m

6 0
3 years ago
The value of acceleration due to gravity (g) on a point. 10,000 kilometers above sea level is about. 1.49 meters/second2. How mu
crimeas [40]
We are given with 98 Newton weight of an object on the surface of the earth with an acceleration equal to 9.8 m/s2. This means the mass of the object is equal to 98/9.8 or 10 kg. Hence the weight of the object 10,000 kilometers above sea level where acceleration is 1.49 m/s2 is 14.9 Newtons. 
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