The ability to transfer energy explosively into force is _____.a. balance
b. coordination
c. agility
d. muscular strength e.poise

Answers

Answer 1

Answer: D, muscular strength. This is more or less the entire function of muscles, to turn energy into force.

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Which of the following is not accurate when describing solids? A. Solids are better conductors of heat than liquids B. The amount of pressure exerted by a solid is solely dependent on its mass. C. Solids with many air pockets are good insulators. D. Molecules in solids are closer together than molecules in liquids.

Answers

Answer;

B. The amount of pressure exerted by a solid is solely dependent on its mass.

Explanation;

Pressure is the force per unit area exerted by a substance on a surface.
Solids exerts pressure on surfaces, which does not depend on the mass of the solid, but depends on the area of contact on the solid and the force applied.
Since pressure refers to force exerted per unit area. Pressure can be increased by either increasing the size of the force or reducing the area over which the force acts.
A solid with a larger surface area where the force acts will exert less pressure compared to a solid surface with a small area where the force acts.

B. The amount of pressure exerted by a solid is solely dependent on its mass
i just took the test

How are mass and inertia related

Answers

inertia is the resistance of any physical object to any change in its state of motion. inertia exists due to the mass of the object

Which is not true about neutron? (a) It is neutral particle (b) It is highly unstable in nature (c) It is present in the nucleus. (d) It contributes to the most of the atom

Answers

(b) It is highly unstable in nature. Neutrons are actually quite stable and are present in the nucleus.

Maurice directs a beam of light on a sheet of glass at an angle of 51°. What is the angle of refraction in the glass? The refractive index of glass is 1.46.A: 22 degrees
B: 29 degrees
C: 32 degrees
D: 36 degrees

Answers

Answer:

Angle of refraction in the glass is 32 degrees

Explanation:

It is given that,

Maurice directs a beam of light on a sheet of glass at an angle, θ₁ = 51°

The refractive index of the glass is, n₂ = 1.46

We know that the refractive index of the air is, n₁ = 1

We have to find angle of refraction in glass i.e. θ₂

According to Snell's law :

$(n_1)/(n_2)=(sin\ \theta_2)/(sin\ \theta_1)$

Putting all the values we get :

$(1)/(1.46)=(sin\ \theta_2)/(sin51)$

$\theta_2=sin^(-1)((sin(51))/(1.46))$

$\theta_2=32\ ^0$

Hence, the correct option is (c) " 32 degrees ".

Maurice directs a beam of light on a sheet of glass at an angle of 51°. The refractive index of glass is 1.46. The angle of refraction in the glass is 29 degrees. The answer is letter B.

Which types of electromagnetic wave travels through space the fastest?

Answers

Answer:

The electromagnetic wave that travels the fastest through space is gamma ray

Explanation:

Electromagnetic wave is a type of wave which does not require material medium for its propagation. Examples of electromagnetic waves according to increasing frequency of the waves are gamma ray, x-ray, ultra violet ray, infra red, visible light, micro wave and radio waves.

Frequency of a wave is inversely proportional to period of oscillation of the wave. The higher the frequency of a wave, the shorter the period of oscillation. Gamma ray has the highest wave frequency in electromagnetic spectrum and shorter period of oscillation, thereby causing it to have the highest penetration power.

A statue and a coin are made out of exactly the same materials. Which property would you claim will likely be the same for both the statue and the coin?mass
reactivity
volume
shape