PHYSICS HIGH SCHOOL

In which example is government encouraging innovation?Pollution permits are issued by the government.


A government agency constructs a dam.


Patents and copyrights are issued by the government.


Regulations require that cigarette packages advise consumers of health risks.

Answers

Answer 1
Answer:

The correct answer is PATENTS AND COPYRIGHTS ARE ISSUED BY THE GOVERNMENT.

A government is said to be encouraging innovation if it takes special steps to encourage the citizen to be creative in their endeavors. Innovation is one of the key ingredient that a nation needs to grow and it is the responsibility of the government to promote it. By issuing patents and copyright, a government can encourage the citizen to be original in their works and to produce new things.

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A 360-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational potential energy of the child–Earth system relative to the child's lowest position at the following times.

Answers

Answer:

684J

Explanation:

So basically the formula for gravitational potential energy is Mass X Gravity X height. That is G.p.e = mgh

We don't have the mass but since we have the height, we multiply directly with the height since the quantity of weight is already given.

so G.p.e = 360 X 1.9 = 684J

Note that; The answer is in joules because g.p.e is work done.

Hope that was helpful!!

What is an example of a series circuit

Answers

Answer:

Explanation

The most famous and common example is Christmas tree lights. You can't tell easily by looking at them whether they are in series or parallel. But you sure know the difference when one of them burns out. When that happens, the whole string goes dead. No matter what you do (other than find out which bulb burned out) will not fix the problem.

Another example is anything that is temperature controlled. For example a furnace is controlled by a thermostat. When the room temperature reaches a certain point, the thermostat is constructed in a certain way so that it forms an open circuit and no current can flow through it. The furnace motor turns off and the furnace stops pumping hot air into a room.

What is the kinetic energy of a 1.0-kg ball moving at 3.0 m/s?

Answers

Kinetic Energy = (1/2)mv²

                       = (1/2)*1*3² = 0.5 *1 * 9 = 4.5

Kinetic Energy = 4.5 Joules

The equation that relates the temperature of an object to the wavelength of its peak radiation is called _____.the blackbody law
Wien's law
Kepler's law
the spectral law

Answers

The equation that relates the temperature of an object to the wavelength of its peak radiation is called Wien's law. Wien's law states that: the black body radiation curve for different temperatures peaks at a wavelength inversely proportional to the temperature.

Answer:

The correct choice is

Wien's law

Explanation:

According to Wien's law, wavelength of maximum intensity of emission of black body radiation is inversely proportional to absolute temperature (T) of the black body. The formula for the law is given as

\lambda _(m)\propto (1)/(T)\n

\lambda _(m)=  (b)/(T)\n

where

\lambda _(m) = wavelength of maximum intensity

T = temperature

b = Wien's constant

Amusement parks are a great place to see Newton's laws of motion in action. Choose your favorite ride and describe the parts of the ride that illustrate each of Newton's laws of motion.

Answers

I can't choose your favorite ride for you.

You take a running jump off the end of a diving platform at a speed of 7 m/s and splash into the water 1.5 seconds later.a.) How far horizontally do you land from your takeoff point?
b.) How high is the diving platform?

Answers

Part a

Just use v=d/t

d = vt
d = 7 x 1.5

For part b

Vf=Vi +at
Vf=0 + (9.8)(1.5)

d= ((Vi + Vf) /2) x t
d = ((0 + Vf) /2) x 1.5

In second equation, use Vf found in first equation
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