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ale4655 [162]
4 years ago
10

What is the first step a scientist usually take to solve a problem?

Physics
1 answer:
trasher [3.6K]4 years ago
6 0
Make prediction about what will happen certain circumstances
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How do distinctive rock strata support the theory of continental drift?
Scorpion4ik [409]

“It states that parts of the Earth's crust slowly drift atop a liquid core. The fossil record supports and gives credence to the theories of continental drift and plate tectonics. ... Continental Coastlines appearing to fit together,Fossil Distrubution, Distinctive Rock Strata, and Coal Distrubution.”

Hope this helps!

~Mia

4 0
4 years ago
The amount of energy in food is measured in
mr Goodwill [35]
The amount of energy in food is measured in calories. 
Wats and kilowatts are units for electricity. Grams are a unit of mass. 
3 0
4 years ago
In electroplating, the object to be plated is which part of an electrolytic cell? cathode or anode
Bingel [31]

Since the anode dissolves and goes to the cathode. The object to be electroplated is kept at the cathode.

Please mark me as brainliest.

7 0
3 years ago
Read 2 more answers
How much work must be done in the car to slow it from 100km/h to 50km/h
Brilliant_brown [7]

Answer:

-96.465m joule

Explanation:

Let m = mass of the car and v1 = initial velocity and v2 = final velocity

Given.

Initial velocity = 100 km/h

final velocity = 50 km/h

What is work done in the car to slow it from 100km/h to 50km/h?

v1=100km/h=27.78m/s

v2=50km/h=13.89m/s

The work done in the car to slow it from v1 to v2.

w=Δk

w=k2-k1

w= \frac{1}{2}m(v2)^{2}- \frac{1}{2}m(v1)^{2}

w=\frac{1}{2} m(v2-v1)^{2}

w=\frac{1}{2}\times m(13.89 -27.78)^{2}

w=\frac{1}{2}\times m(-13.89)^{2}

w=\frac{1}{2}\times m\times (-192.93)

w=-96.465m joule.

Therefore, the work done is -96.465m joule

7 0
3 years ago
He drives 150 meters in 18 seconds. Assuming constant speed, what is his speed in meters per second?
ira [324]

Answer:

Explanation:

Givens

d = 150 meters

t  = 18 seconds

r (rate) = ?

Formula

r = d/t

Solution

r = 150/18

r = 8.33 m/s

4 0
3 years ago
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