A charged object cannot attract a neutral object.
a. True
b. False

Answers

Answer 1
Answer: That's false.  One of the first demonstrations of static attraction is
running a comb through your hair to charge it, and then using it
to pick up uncharged bits of tissue paper.

Related Questions

A small piece of Styrofoam packing material is dropped from a height of 1.90 m above the ground. Until it reaches terminal speed, the magnitude of its acceleration is given by a = g − Bv. After falling 0.400 m, the Styrofoam effectively reaches terminal speed, and then takes 5.40 s more to reach the ground.(a) What is the value of the constant B?s-1(b) What is the acceleration at t = 0?m/s2 (down)(c) What is the acceleration when the speed is 0.150 m/s?m/s2 (down)
A spring has a natural length of 20cm. If a 25-N force is required to keep it stretched to a length of 30 cm, how much work is required to stretch it from 20 cm to 25 cm?
fastest humans can reach speeds of about 11 m/s. part a in order to increase his gravitational potential energy by an amount equal to his kinetic energy at full speed, how high would such a sprinter need to climb? express your answer to two significant figures and include the appropriate units.
Based on the article "Will the real atomic model please stand up?,” describe what Dalton’s theory states about a molecule of water.
Karen shouts across a canyon and hears an echo 7.5 s later. how wide is the canyon? the speed of sound is 343 m/s. answer in units of m.

Just as the skydiver steps out of the helicopter Somos what do you start a stopwatch so the time is zero at the skydiver steps out of the plane what is the skydivers dour velocity at the instant just before starting to fall

Answers

The same as that of the aircraft that he /she is in. If flying level, it would be zero.

Match the physical properties on the left with their descriptions on the right. 1. luster ability to dissolve in another substance 2. freezing point the shininess of a material 3. viscosity temperature at which a liquid becomes a solid 4. solubility able to be pulled into a wire 5. ductility the measure of a substance's resistance to flow

Answers

Answer :

1) Luster →  the shininess of a material

2) Freezing point → temperature at which a liquid becomes a solid

3) Viscosity → the measure of a substance's resistance to flow

4) Solubility → ability to dissolve in another substance

5) Ductility → able to be pulled into a wire

Explanation :

Luster : It is defined as the material which has the shining property.

Freezing point : It is the temperature at which the phase changes from liquid state to solid state at low temperature.

Viscosity : It measures the resistance of the liquids to flow .

Solubility : It is defined as the ability of a substance (solute) to dissolve into a liquid (solvent).

Ductility : It is defined as the ability of a metal into a thin wire without breaking.

Final answer:

The physical properties are correctly matched as: Luster corresponds to the shininess of a material, freezing point is the temperature at which a liquid becomes solid, viscosity is the measure of a substance's resistance to flow, solubility is the ability to dissolve in another substance, and ductility refers to a substance's ability to be pulled into a wire

Explanation:

The correct matches for the physical properties and their descriptions are as follows:

  1. Luster is the shininess of a material.
  2. Freezing point is the temperature at which a liquid becomes a solid.
  3. Viscosity is the measure of a substance's resistance to flow.
  4. Solubility is the ability to dissolve in another substance.
  5. Ductility is the property to be pulled into a wire.

It's crucial to understand these properties in chemistry, as they help us identify and characterize different substances.

Learn more about Physical Properties here:

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Which of the following is not a reason fluorescent lamps are advantageous over incandescent lamps? A. Fluorescent lamps are more efficient than incandescent lamps.
B. Fluorescent lamps operate at a higher temperature than incandescent lamps.
C. Fluorescent lamps dissipate more energy as light instead of heat than incandescent lamps.
D. Fluorescent lamps produce light with less glare than incandescent lamps.

Answers

Answer;

B. Fluorescent lamps operate at a higher temperature than incandescent lamps.

Explanation;

-A fluorescent lamp, is a type of electric light (lamp) that uses ultraviolet emitted by mercury vapor to excite a phosphor, which emits visible light.

-A fluorescent lamp produces less heat, thus, it is much more efficient. A fluorescent bulb can produce between 50 and 100 lumens per watt. This makes fluorescent bulbs four to six times more efficient than incandescent bulbs.

-Fluorescent lamps operate best around room temperature. At much lower or higher temperatures, efficacy decreases.

The right answer for the question that is being asked and shown above is that: "C. Fluorescent lamps dissipate more energy as light instead of heat than incandescent lamps." This is not a reason fluorescent lamps are advantageous over incandescent lamps.

Which statement best describes the formation of diamonds? A. Diamonds form in kimberlites under very low pressure.
B. Diamonds form in kimberlites under very high pressure.
C. Diamonds form in talc under very high pressure.
D. Diamonds form in talc under very low pressure.

Answers

The correct answer would be (b.) Diamonds form in kimberlites under very high pressure. Kimberlites are one of the most important sources of the mined diamonds and these are formed with a very high pressure. The statement in (d.) would best describe the formation of diamonds.

According to Friar Laurence's philosophy, what is the ideal temperature?

Answers

According to Friar Laurence's philosophy, the cold weather is the ideal temperature. 

Answer:

Cold

Explanation:

It was correct on my quiz

According to Newton's 2nd law of motion, Jim can throw a _____ farther than a _____. tennis ball, basketball can of soda, liter bottle of soda chair, couch all of the above

Answers

Answer:

All of the above

Explanation:

According to Newton's second law of motion,

Force = Mass * Acceleration

If a certain force is applied on objects of different mass, the lighter object will travel farther and faster. All the options in the question have pairs where one object is lighter than other.

So, Jim can throw a tennis ball farther than a basketball. Jim can throw a can of soda farther than a liter bottle of soda and he can throw a chair farther than a couch.

According to Newton's 2nd law of motion, Jim can throw a tennis ball farther than a basketball. The rest of the choices do not answer the question above.