PHYSICS HIGH SCHOOL

The ability/inability to conduct an electrical current is called:a. electrolyte
c. conductivity
b. malleability
d. composition

Answers

Answer 1
Answer: c. conductivity
Think of it like this: CONDUCTivity.

Related Questions

A wave with a wavelength of 15 m travels at 330 m/s. Calculate its frequency.
Why are objects that fall near Earth’s surface rarely in free fall?
"Light travels at the rate of 300,000 kilometers per second in a vacuum." Which of these statements is correct about this law? a. It is a fact in nature which cannot be tested. b. It is a theory which is not supported by data. c. It is an observation which cannot be explained. d. It is a description which does not work under similar conditions.
The atoms in a solid move about freely
Planet 1 has mass 3m and radius r, while planet 2 has mass 4m and radius 2r. they are separated by center-to-center distance 8r. a rock is placed halfway between their centers at point o. it is released from rest. ignore any motion of the planets.Part (a) Derive an expression, in terms of relevant system parameters, for the magnitude of the acceleration a of the rock at the moment it is released Part (b) Calculate the magnitude of the acceleratiom of the rock (in m/s2) the moment it is released, using M=2x10^21 kg and R= 25 x10^6Part (c) The rock is released from rest at point o Derive an expression for the speed v with which the rock crashes into a planet Part (d) Calculate the speed the rock crashes into the planet in m/s

How do geologist locate the epicenter of an earthquake?

Answers

by taking measurements from 3 seismograms. 

Light of wavelength 550 nm falls on a slit that is 3.50 x 10^-3 mm wide. How far from the central . maximum will the first diffraction maximum fringe be if the screen is 10.0 m away?

Answers

λ= 550 * 10^(-9)\] m. D = 3.50*10^-6 m.
d = 10 m. m = 1 2x = ?

Then you need to find x when n=1
or 
sinθ=λ/w=524x10^-9/0.0033=1.59x10^-4
≈θ for θ<<1 , so θ=1.59x10^-4 radians

Then you can find rhe distance of bright fringe from the center:d= θD=1.59x10^-4x10m ≈ 1.6 mm

The velocity of a car traveling in a straight line increases from 0 meters/second to 30 meters/second in 8 seconds. What is the average acceleration of the car?

Answers

Answer : a=3.75\ m/s^2

Explanation :

Initial velocity of the car, u = 0 m/s

Final velocity of the car, v = 30 m/s          

Time taken, t = 8 s

Average acceleration of the car is defined as the change in velocity divided by time.

a=(v-u)/(t)

a=(30\ m/s-0)/(8\ s)

a=3.75\ m/s^2

Hence, this is the required solution.                                              
Average acceleration is how much the car increases (on average) per second.  So, since it increases by 30 m/s in 8 s, then dividing 30 by 8 will give you an average acceleration of 3.75 m/s^2 (remember that acceleration is ever increasing, so the unit is s^2, not just s)

Hope this helps!

A carousel is spinning at a speed of 100 cm/s, with the outermost horse at a distance 5 m from the center.Calculate the inward force on the outermost horse, if it weighs 1.5 kg.

A) 3 x 10-3 N
B) 3 x 10-2 N
C) 3 x 10-1 N
D) 3 x 10 N

Answers

The speed is 100/100=1 meter per second, so acceleration is 1^2/5=.2.  Then, the net force is 0.2*1.5 kg = 0.3 N, or 3*10^-1 N.

List two of the tangible and/or intangible ways in which state governments improve society

Answers

Two tangible ways in which state governments improve society would be through the construction of public facilities like libraries and roads, and an intangible example would be through welfare programs.  other wise i suck but this is my best answer hope it helps enjoy

Which of the following statements about ice melting is true and why?A. Energy flows from the ice to its surroundings.
B. Water molecules move from their fixed position.
C. Water molecules lose energy.
D. The temperature of the ice increases as it melts.

Answers

The answer for this question is part B that is Water molecules move from their fixed position.


This is because when water is freeze it is in a solid condition that means the molecules are held together tightly and are are vibrating in their fixed positions.


As soon as the molecules gain energy they start to move around from their fixed positions and turn into a liquid.


In the process of doing so ice melts and becomes water.
option(D) is true
the ice molecules are taking in heat from its surroundings to melt and form water.This increases the temperature of ice as it melts.
option(c) can also be true because to form water,the intermolecular force between the molecules gets weak which allows them to move from their fixed point.
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