PHYSICS HIGH SCHOOL

write the chemical formulae for; nitrogen monoxide, hydrochloric acid, barium phosphate, ammonium hydroxide,nitric acid​

Answers

Answer 1
Answer:

Answer:

  • Nitrogen Monoxide = NO
  • Hydrochloric Acid = HCL
  • Barium Phosphate = (Ba)3{(Po)4}
  • Ammonium Hydroxide = (NH)4(OH)
  • Nitric Acid = H(NO)3

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An object traveling at a constant speed but with a changing direction is accelerating. a. True
b. False

Answers


Strange as it may seem, that's true. (choice 'a'.)

"Acceleration" doesn't mean "speeding up".  It means ANY change in
the speed or direction of motion.  So a car with the brakes applied
and slowing down, and a point on the rim of a bicycle wheel that's
turning at a constant rate, are both accelerating.
True, it is still moving. 

If light travels from oil (slower medium) to water (faster medium) at an angle, what happens to the direction of the light ray in water with respect to normal?A. It moves away from the normal. B. It moves toward the normal.
C. It will move along the normal. D. It will move perpendicular to the normal.
E. It stops traveling.

Answers

If light travels from oil to water at an angle, what happens to the direction of the light ray in water with respect to the normal, is it moves away from the normal.

Answer:

to shorten the other answer...its A

Explanation:

Which type of wire would have the least resistance?A. thick, short, hot
B. thick, long, hot
C. thin, short, hot
D. thin, long, cold
E. thick, short, cold

Answers

The answer is E. Short and thick while cold.

How does a parallel circuit differ from a series circuit? A. A parallel circuit has one path for electrons, but a series circuit has more than one path. B. A series circuit has one path for electrons, but a parallel circuit has more than one path. C. A parallel circuit includes more than one resistor, but a series circuit has one resistor. D. A parallel circuit has a power source,

Answers

A series circuit has only one path for current,
while a parallel circuit has more than one.

Answer:

A series circuit

Explanation:

How many neutral points does a bar magnet have

Answers

Answer:

There are two neutral points. At a neutral point, the net magnetic field becomes zero.

Explanation:

A 1.0 kg book is lifted 0.5 m above the table , but the table is 1.0 m above the floor , what would be the P.E of the book if the reference level where the floor ?

Answers

The height of the book from the ground = 1.0 m + 0.5 m = 1.5 m 

The mass of the book = 1 kg

We know that = 

P.E.=m*g*h

Taking 'g' as 9.8 m/s² and putting the values in the formula we get -

P.E.=1*9.8*1.5

P.E.=14.7 Joules
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