PHYSICS HIGH SCHOOL

When the mass of an object increases, the force of gravityincreases.

decreases.

remains the same.

becomes irregular.

Answers

Answer 1
Answer: According to the second law of motion, force is equal to the product of mass and acceleration. This means force is proportional to mass. Hence when mass increases, it is understood that force should increase as well. In this case,the answer to this problem is A. 
Answer 2
Answer: Increases. The more mass an object has, the more gravity it has

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Answers

The answer is
c. Microwave

How long does it take earth to spin on it axis once?

Answers

Roughly 4 minutes less than 24 hours.
23 hours and 56 minutes

A reaction in which small nuclei combine to form a heavier nucleus is called ____. a. fission c. background radiation b. a chemical reaction d. fusion

Answers

The correct answer is D) fusion. In fact, nuclear fusion occurs when two (or more) small nuclei combine to form a heavier nucleus. In the process, a large amount of energy is released, according to Einstein's formula E=mc^2, where m is the mass converted into energy in the reaction. An example of nuclear fusion is the fusion of two nuclei of hydrogen into a nucleus of helium-4.

How do wind turbines pollute their environment?

Answers

Although the wind turbines do not pollute the environment directly, it is still able to pollute the environment indirectly. The maintenance, construction, and the assembly of the wind turbines would make use of equipment or machines that would emit some harmful substances. For example, the delivery of the materials, the turbine parts, and the other equipment would entail a lot of back and forth trips. The deliverer, from his vehicle, would sometimes emit smoke or gas from his vehicle that is dangerous to health. 
Wind turbines in fact to pollute the environment. They pollute the environment because when they are being built or manufactured, pollution is produced. Wind power does produce pollution. It also takes up space in land. In farms they take up a lot of space so then we cannot grow crops and animals cannot live there. One turbine can give electricity to about 400 homes. Imagine how many you will need to power a whole country! The turbines are also very loud. It can damage peoples ears when they are near one.

Which type of bond will sulfer (S) and nitrogen (N) form?a. metallic bond
b. covalent bond
c. iconic bond

Answers

Answer:

In ionic compounds, electrons are transferred between atoms of different elements ... For example, two hydrogen atoms bond covalently to form an H2 molecule; each ... is released when one mole of H2 molecules forms from two moles of H atoms: ... atom in each pair is more electronegative: (a) N or P. (b) N or Ge. (c) S or F.

Explanation:

A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.8 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.0 s. How fast did the cat run?

Answers

In 6 secs, the dog covers-
S=vt
8.9*6 = 53.4 m.
In the same time, the cat covers, 53.4-3.8 = 49.6 m.
Thus, speed of the cat, v= s/t, 
= 49.6/6 = 8.267 m/s
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