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4vir4ik [10]
2 years ago
12

2. True or false? Forensic entomology uses the study of insects to help criminal investigations.

Physics
2 answers:
Snezhnost [94]2 years ago
4 0
I’m pretty sure it’s true lol
kramer2 years ago
4 0
True
Look up the definition, it tells you.
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A simple pendulum consists of a point mass suspended by a weightless, rigid wire in a uniform gravitation field. Check all that
9966 [12]

Answer:

f.The period is independent of the suspended mass.

Explanation:

The period of a pendulum is given by

T=2 \pi \sqrt{\frac{L}{g}}

where

L is the length of the pendulum

g is the acceleration due to gravity

From the formula, we see that:

1) the period of the pendulum depends only on its length, L, and it is proportional to the square root of the length

2) the period does not depend neither on the mass of the pendulum, nor on its amplitude of oscillation

So, the only correct statements are

f.The period is independent of the suspended mass.

Note: statement "e.The period is proportional to the length of the wire" is also wrong, because the period is NOT proportional to the length of the wire, but it is proportional to the square root of it.

3 0
2 years ago
When you go for a walk which of the following forces is paired with the force of friction on your shoe
Ann [662]

Answer:

static

Explanation:

static friction pushes in the direction you are walking.

7 0
3 years ago
List atleast 10 applications of chemical effect of electric current
Komok [63]

Answer:

formation of gas bubbles at electrodes

deposition of metals at electrodes

changes in solution colour

electroplating

electrolysis

4 0
2 years ago
A student grabs a piece of paper and tears it from the middle. Which statement best explains the forces involved?
PolarNik [594]

Answer:

b. The normal force between the molecules of the paper is overcome by the contact force of the hands.

Explanation:

The paper molecules are held together by a weak bond. When the student holds the paper on both sides with the center of the paper in between, the student applies two equal forces in the opposite direction of the paper making the paper molecules weaken and separate.

3 0
2 years ago
Read 2 more answers
Scientists studying bull sperm whales off the coast of South Africa have calculated that these mammals can descend to depths of
Zarrin [17]

Answer:

3,00,000

Explanation:

because 1 m =100m so, 3000x100=300000

3 0
3 years ago
Read 2 more answers
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