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andrezito [222]
2 years ago
7

Which metals have similar chemical properties? Check all that apply.

Physics
2 answers:
galina1969 [7]2 years ago
7 0
Barium, beryllium, radium, and calcium.
Alika [10]2 years ago
3 0

Answer:

yes

Explanation:

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Degger [83]

Answer:

why would you waste points

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4 0
3 years ago
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An engine is used to lift a beam weighing 9,800 N up to 145 m. How much work must the engine do to lift this beam? How much work
Arturiano [62]

Explanation:

Given that,

Weight of the engine used to lift a beam, W = 9800 N

Distance, d = 145 m

Work done by the engine to lift the beam is given by :

W = F d

W=9800\ N\times 145\ m\\\\W=1421000\ J\\\\W=1421\ kJ

Let W' is the work must be done to lift it 290 m. It is given by :

W'=9800\ N\times 290\ m\\\\W'=2842000\ J\\\\W'=2842\ kJ

Hence, this is the required solution.

5 0
3 years ago
PLEASE ANSWER QUICKLY
Rom4ik [11]

Answer:

a luminous ball of plasma

6 0
3 years ago
Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100.0 m ea
madreJ [45]
In order to answer this exercise you need to use the formulas

 S = Vo*t + (1/2)*a*t^2

Vf = Vo + at

The data will be given as

Vf = final velocity = ?

Vo = initial velocity = 1.4 m/s

a = acceleration = 0.20 m/s^2

s = displacement = 100m

And now you do the following:

100 = 1.4t + (1/2)*0.2*t^2

t = 25.388s

and

Vf = 1.4 + 0.2(25.388)

Vf = 6.5 m/s

So the answer you are looking for is 6.5 m/s
7 0
3 years ago
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What is one result of warming up your body’s muscles before exercising?
Anna11 [10]
Slightly raising your body temperature while increase oxygen and blood circulation throughout your body
7 0
3 years ago
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