<span>A theory is a hyothesis that has been varified by multiple investigations.
true</span>
Answer:
A. The bird watcher followed the south trail a distance of five kilometers in 45 minutes.
Answer:
D. transparent.
Explanation:
A material that transmits nearly all the light in a ray because it offers little resistance to the light is <u>transparent.</u>
A transparent material allows light to pass through them with little or no resistance enabling them see-through. A material that transmits nearly all the light rays that pass through it because it offers little resistance to the light is TRANSPARENT. Examples of transparent materials are water, glass (flint and crown), air, and diamond.
Answer:
The magnitude is "3.8 m/s²", in the upward direction.
Explanation:
The given values are:
Mass,
m = 88 kg
Scale reads,
T = 900 N
As we know,
⇒
On substituting the given values, we get
⇒
⇒
Now,
⇒
On substituting the given values in the above equation, we get
⇒
On subtracting "862.4" from both sides, we get
⇒
⇒
⇒
⇒ (upward direction)
Answer:
Thermal and kinetic.
Explanation:
Thermal energy is the energy generated by heat. Kinetic energy is the movement of particles in a substance which is responsible for the heat increase.