Your home energy bill is given in what kind of units?

Physics

1 answer:

MrRissso [65]3 years ago

6 0

Answer:

Home energy bill/electricity bill is measured in Kilowatt hours.

Water bill is measured in gallons & gas units is measured in BTUs.

hope it helps!

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You are given three radioactive samples (α, β, and γ) and can only dispose of one. The other two you must keep, one in your hand

Dennis_Churaev [7]

Answer:

Keep alpha in hand, keep beta in pocket, dispose of gamma radioactive sample

Explanation:

Alpha particles:

Alpha particles are the particles which cannot penetrate most of the matter. The outer layer of the skin or a piece of paper may be sufficient to stop the alpha particles.

The Radioactive material that emits the alpha particles can be harmful when they are swallowed, inhaled, or absorbed into blood stream through wounds.

Thus, α radioactive sample can be kept in hand.

Beta particles:

Beta particles are the particles which can be stopped by a few mm of a substance like aluminum layer or by clothing.

Beta particles can penetrate the skin and can cause radiation damage, such as skin burns.

Thus, β radioactive sample can be kept in pocket.

Gamma rays:

Gamma rays are the rays which are penetrating. Many feet of concreted layers or some inches of metal lead are needed to stop them.

Gamma rays are the radiation hazard for the entire human body.

They attack the DNA and can cause lethal defects.

Thus, γ radioactive sample is to be disposed off.

8 0

3 years ago

I really need help i’m in a really big rush

kompoz [17]

1. The speed is at a constant rate same with the acceleration and velocity

2. When there getting close to the top there speed, acceleration, and velocity all start to decrease

3. The speed and acceleration and velocity all on the way down drastically increase number

hope I helped

3 0

3 years ago

Which of the following is considered an individual sport?

Otrada [13]

Answer:

wrestling

Explanation:

You might have a team but it's only you and the other person on the mat so you are alone

3 0

3 years ago

12. A 0.5 kg ball traveling at 6.2 m/s collides head-on with a 1.0 kg ball traveling in the

Levart [38]

The final speed of the 1.0 kg ball is 1.9 m/s

Explanation:

We can solve this problem by using the principle of conservation of momentum. In fact, the total momentum of the system must be conserved before and after the collision, therefore we can write:

$p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2$