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3 years ago

What type of nuclear decay is occurring between

Physics

1 answer:

Jlenok [28]3 years ago

8 0

Nuclear chosen would be the gamma because it’s the one choose to be radioactive more than others

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Please help !!! A 12 V battery is set up in an unknown configuration. The internal resistance of the battery is 4 Ohms. If this

Delvig [45]

Answer:

Explanation:

Given that,

Battery capacity

E=12V

Internal resistance of battery r=4ohms

We are told that the circuit must have at least 2 resistor

If the terminal voltage is Vt= 11.478V

Let all the resistor we want to connect the battery have a equivalent resistance Req

Req = R1 +R2 + R3+...+ Rn

Series connection

Using KVL in the circuit,

E = I(R+r)

12 = I ( Req + 4) equation 1

When the terminal voltage is 11.478V, I.e voltage across the external resistance, in this case the equivalent resistance Req

Using ohms law

Vt=I•Req

Then,

11.478 = I•Req equation 2

Make I subject of formulae

Then, I = 11.478/Req. Equation 3

Substitute equation 3 into 1

12 = I ( Req + 4)

12 = 11.478/Req ( Rea + 4)

12 = 11.478 + 45.912/Req

12 - 11.478 = 45.912/Req

0.522 = 45.912/Req

Cross mutilply

0.522 Req = 45.912

Then, Req = 45.912/0.522

Req = 87.95 ohms

Req ≈ 88 ohms

The resistor must have a resistance of 88 ohms and they have a series configuration

5 0

3 years ago

Two balls are kicked with the same initial speeds. Ball A was kicked at the angle 20° above horizontal and ball B was kicked at

inysia [295]

Answer:Impossible to answer without knowing their actual initial speeds

Explanation:

Given

Ball A launched at angle of $20^{\circ}$

Ball B is launched at angle of $75^{\circ}$

At the highest point Ball vertical velocity will be and there will be only horizontal velocity i.e. $v_acos20$ and $v_bcos75$

where $v_a and v_b$ is the velocity of A & B

thus to find which one is greater we need to know their initial velocity.

It is impossible to know which one have higher velocity at highest point.

7 0

3 years ago

Write 3 rules that describe the possible behaviors that occur when objects with different charges are brought close together

REY [17]

Explanation:

1. attract

2.repel

3. no effect

8 0

3 years ago

One of the best candidates for a black hole is found in the binary system called A0620-0090. The two objects in the binary syste

Darya [45]

Answer:

One of the best candidates for a black hole is found in the binary system called A0620-0090. The two objects in the binary system are an orange star, V616 Monocerotis, and a compact object believed to be a black hole. The orbital period of A0620-0090 is 7.75hours, the mass of V616 Monocerotis is estimated to be .67 times the mass of the sun, and the mass of the black hole is estimated to be 3.8 times the mass of the sun. Assuming that the orbits are circular, find the radius of the orbit of the orange star.

Explanation:

6 0

3 years ago

A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?

MaRussiya [10]

<h2>Answer :</h2><h2 />

Work is the amount of energy transferred. As per the formula

Work = Force x Distance [moved toward the direction of the force]

So as per the formula

<u>Solution : </u>

Force = 825 N

Distance = 35 m

Work = 825 (n) x 35 (m)

Work = 28875 Joules

<h2 />

6 0

3 years ago