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Ira Lisetskai [31]

4 years ago

14

Which of the following are examples of a force? (choose as many as apply)

1 answer:

seropon [69]4 years ago

7 0

All except B are examples of force

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What is latent heat energy's definiton

tamaranim1 [39]

The heat energy which has to be supplied to change the state of a substance is called its latent heat. Latent heat does not increase the kinetic energy of the particles of the substance, so the temperature of a substance does not rise during the change of state. :))

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3 years ago

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rodikova [14]

a is the answer hope this helps

8 0

4 years ago

In the reaction 2Ca + O2 → 2CaO for every 2 Ca you will need how much O2?

Serjik [45]

Answer:

1

Explanation: that is the ratio

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3 years ago

High speed stroboscopic photographs show that the head of a 244 g golf club is traveling at 57.6 m/s just before it strikes a 45

almond37 [142]

Answer:

The speed will be "1.06 m/s".

Explanation:

The given values are:

Momentum,

m1 = 244 g

m2 = 45.2 g

On applying momentum conservation ,

Let v2 become the final golf's speed.

From Momentum Conservation

⇒ $Total \ initial \ momentum = Total \ final \ momentum$

⇒ $m1\times u1 + m2\times u2 = m1\times v1 + m2\times v2$

On putting the estimated values, we get

⇒ $0.244\times 57.6+0=0.244\times 39.9+45.2\times v2$

⇒ $57.844+0=9.7356+45.2\times v2$

⇒ $48.1084=45.2\times v2$

⇒ $v2=\frac{48.1084}{45.2}$

⇒ $v2=1.06 \ m/s$

6 0

3 years ago

Which one of the following is a scalar quantity?a. Displacement.b. Perpendicular component of force.c. Parallel component of for

EastWind [94]

Answer:

poopie

Explanation:

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3 years ago