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3 years ago

Why is gamma radiation difficult to detect

Physics

2 answers:

kompoz [17]3 years ago

7 0

Answer:

2 reasons because there are not many of them and they have so much energy that it is hard to capture one at all

Tresset [83]3 years ago

6 0

Answer:

they have a lot of energy that can prove difficult to capture

Explanation:

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Which are true about the proton?

Scrat [10]

Answer:

Explanation:

bIrish Kaleb picked Lucian usual

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3 years ago

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Suppose we could shrink the earth without changing its mass..?At what fraction of its current radius would the free-fall acceler

Drupady [299]

Answer:

at R/ $\sqrt{3}$

Explanation:

The free-fall acceleration at the surface of Earth is given by

$g=\frac{GM}{R^2}$

where

G is the gravitational constant

M is the Earth's mass

R is the Earth's radius

The formula can be rewritten as

$R=\sqrt{\frac{GM}{g}}$ (1)

We want to shrink the Earth at a radius R' such that the acceleration of gravity becomes 3 times the present value, so

g' = 3g

Keeping the mass constant, M, and substituting into the equation, we have

$3g=\frac{GM}{R'^2}$

$R'=\sqrt{\frac{GM}{3g}}=\frac{1}{\sqrt{3}}\sqrt{\frac{GM}{g}}=\frac{R}{\sqrt{3}}$

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3 years ago

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Please answer the following questions about uniform circular motion.?

Afina-wow [57]

Answer:

a) The planet experiences a centripetal force towards its star

b) The universal attractive force (Gravitational force)

c)None of these choices are true.

Explanation:

This problem raise several claims, let's review some aspects of circular motion

F = m a

the centripetal acceleration is

a = v² / r

where v is the speed (modulus of velocity) that is constant and r is the radius

The direction of the acceleration is perpendicular to the motion.

Let's review the different claims

Part a) the orbital velocity is constant

The correct statement is: The planet experiences a centripetal force towards its star

Part b) what is the centripetal force

The correct statement: The universal attractive force (Gravitational force)

Part c) which statement is true

1) False. There can be no tangential force

2) False. There is a centripetal force that creates the movement, but there is no centrifugal force because the system is accelerated and there is no tangential force because the movement is circular.

3) False. There is no tangential force

4) True none is true

5) False. There is a force because movement has acceleration

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4 years ago

A 1400 kg car driving at 25 m/s slams on its brakes. The coefficient of kinetic friction between the tires and the road is 0.7.

tamaranim1 [39]

The acceleration of the car is 6.86 m/s² and the time taken for the car to stop is 3.64 s.

The given parameters;

mass of the car, m = 1400 kg
Initial velocity of the car, u = 25 m/s
coefficient of kinetic friction, μ = 0.7

The acceleration of the car is calculated as follows;

a = μg

a = 0.7 x 9.8

a = 6.86 m/s²

The time taken for the car to stop is calculated by using Newton's second law of motion;

F = ma

$F = \frac{mv}{t} \\\\ma = \frac{mv}{t}\\\\a = \frac{v}{t} \\\\t = \frac{v}{a} \\\\t = \frac{25}{6.86} \\\\t = 3.64 \ s$

Thus, the acceleration of the car is 6.86 m/s² and the time taken for the car to stop is 3.64 s.

Learn more here:brainly.com/question/19887955

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3 years ago

What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides?

Ronch [10]

The visible wavelengths constructively reflected by the film when it is surrounded by air on both sides can be calculated using the equation:

lambda = 2t*(n2/n1)

where:

lambda is the wavelength,
t is the thickness, and;
n1 and n2 are indexes of refraction

3 0

3 years ago

Why is gamma radiation difficult to detect​

Why is gamma radiation difficult to detect