2 years ago

Magnetic attraction is one of the chemical properties of matter * True False

1 answer:

7 0

False, because it can be observed, and does not have a chemical reaction that occurs. There is no chemical change taking place, therefore, the answer is false and it is a physical property.

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An elevator accelerates upward at 1.2 m/s 2 . the acceleration of gravity is 9.8 m/s 2 . what is the upward force exerted by the

Marysya12 [62]

We can find the force by using the following formula;
N = ma + mg
Fa = ma = 76 x 1.2 = 91.2
Fg = mg = 76 x 9.8 = 744.8
N = 91.2 + 744.8 = 836
So, the force is 836 N.

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3 years ago

A woman with a mass of 60 kg climbs a set of stairs that are 3m high How much gravitational potential energy does she gain a res

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540 j

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2 years ago

In an emergency situation, firemen need to respond as quickly as possible. If a fireman is responding from the second floor, how

rjkz [21]

Answer:

4m/s

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May be different considering how long the pole is and how heavy the firefighter is.

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2 years ago

A single-turn current loop, carrying a current of 3.50 a, is in the shape of a right triangle with sides 50.0, 120, and 130 cm.

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2 years ago

Help<br> A. 12,240<br> B. 6,120

nata0808 [166]

Answer:

A. 12,240.

Explanation:

1,530 times 8.0 = 12,240.

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2 years ago