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11111nata11111 [884]
4 years ago
9

A train accelerates at -1.5 m/s2 for 10 seconds. If the train had an initial speed of 32 m/s, what is its new speed?

Physics
1 answer:
Nata [24]4 years ago
7 0

B should be the answer

Look at this example to help you

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A machinist is required to manufacture a circular metal disk with area 1300 cm2. (a) What radius produces such a disk
vichka [17]

Answer:

Radius r = 20.34 cm

The radius that can produces such a disk is 20.34 cm

Explanation:

Area of a circle;

A = πr^2

A = area

r = radius

Making r the subject of formula;

r = √(A/π) ........1

Given;

A = 1300 cm^2

Substituting into the equation 1;

r = √(1300/π)

r = 20.34214472564 cm

r = 20.34 cm

The radius that can produces such a disk is 20.34 cm

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3. The nervous system works together to communicate with different parts of the body and with the external environment. Spinal c
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Answer:

C. mediates communication from the brain to the rest of the body

Explanation:

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4 years ago
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Calculate the net force if the forces are parallel 4N 4N
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Answer:

The net force is zero Newtons (0 N).

Explanation:

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Hope this helps!

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