PHYSICS HIGH SCHOOL

A student wants to build a circuit with four light bulbs and one bell. A student wants to place a switch in the circuit so that only one light will still be on and the bell will still ring when the switch is opened

Answers

Answer 1
Answer:

Answer:

we have an circuit with two branches in parallel,

* One formed by the switch and three light bulbs

* Another branch formed by a light bulb and the bell

Explanation:

For the construction of the circuit, let us analyze the conditions given, of the 4 light bulbs, only one should remain lit when the dapple is opened, so we must place three light bulbs and the switch in one branch and the other light bulb in the other branch.

For the bell to sound with the abort circuit it must be on the branch where the single bulb is.

Therefore we have an circuit with two branches in parallel,

* One formed by the switch and three light bulbs

* Another branch formed by a light bulb and the bell

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a 1.0 kg ball is thrown into the air with an initial velocity of 30 m/s. How much kinetic energy does the ball have?

Answers

KE=.5mv^2
KE=.5(1)(30^2)
KE=(.5)(900)
KE=450
Assuming no air resistance....

Final answer:

The kinetic energy of a 1.0 kg ball thrown with an initial velocity of 30 m/s is calculated using the formula KE = 1/2 mv^2, resulting in an energy of 450 Joules.

Explanation:

The question you've asked pertains to calculating the kinetic energy of a ball thrown into the air. To find the kinetic energy (KE) of a 1.0 kg ball thrown with an initial velocity of 30 m/s, you can use the formula KE = ½ mv², where m is the mass of the ball and v is the velocity. Plugging in the values, you get KE = ½ × 1.0 kg × (30 m/s)² = 0.5 × 1.0 × 900 = 450 J. Therefore, the kinetic energy of the ball is 450 Joules.

Learn more about kinetic energy here:

brainly.com/question/26472013

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Which of the following is a region where magnetic force will affect other magnets?A-electronic domain
B- magnetic generator
C- magnetic field
D- magnetic charge

Answers

it is c.......ik bc i just got it right on platoweb

What is true about the inertia of two cars, Car A of mass 1,500 kilograms and Car B of mass 2,000 kilograms

Answers

Answer:

Car B

Explanation:

Inertia of a body is the property to oppose its state of rest or state of uniform motion. It is also equivalent to the measure of its mass. Newton's first law of motion is also called as law of inertia.

According to given question, we have to write the name of car having more inertia. So, the body having more mass will have more inertia.

The mass of car A is 1500 kg while the mass of car b is 2000 kg. Hence, car B will have more inertia.
 Car B has more inertia then Car A 

If the wavelength of a photon in vacuum is the same as the de broglie wavelength of an electron, then the

Answers

Answer:

Explanation:

The photons travel faster faster through space because photons always travel through space faster than electrons, in fact when an electron gets hitted by a photon this boost its speed

According to Kepler's law of harmonies, which of these planets takes the longest to orbit the Sun?

Answers

The planet in the orbit with the largest major axis takes the longest
to complete one orbital revolution.

I'm sorry I can't be any more specific, but you didn't list any planets
to choose from.

Answer:

Explanation:

The planet in the orbit with the largest major axis takes the longest

to complete one orbital revolution.

A car travels 1000 meters in 5 seconds. What is its average velocity?

Answers

Answer:

the velocity is 200

Explanation:
the average velocity is 200
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