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erastovalidia [21]
3 years ago
13

Because insects are living and moving, what investigator's challenges in collecting insect evidence?

Physics
1 answer:
Mama L [17]3 years ago
8 0

Answer:i dont know

Explanation:

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The amplitude of a lightly damped oscillator decreases by 4.2% during each cycle. What percentage of the mechanical energy of th
Nimfa-mama [501]

Answer:

Im actually depressed

Explanation:

jk thx for the points thoo

6 0
3 years ago
* A 5 kg ball is dropped from a height of 20 m. How much kinetic energy will it have 10 m above the ground? a. 490 J b. 392 J C.
Oksi-84 [34.3K]

Answer:

A. 490

Explanation:

soln

mass = m = 5kg

Height = h = 10m

Acceleration due to gravity = g = 9.8ms²

K.E = 1/2 × mass × (velocity)²

Recall from equations of motion

v² = u² + 2gh

Therefore,

K.E = 1/2 × mass × ( u² + 2gh)

K.E = 1/2 × 5 × ( 0² + 2×10×9.8)

K.E = 1/2 × 5 × 196

K.E = 1/2 × 980

K.E = 490 Joules

6 0
2 years ago
If you were creating a lamp by hand what type of material would you chose for the wiring and what material would you chose to co
anzhelika [568]
Copper because it contains alot of electricity
6 0
3 years ago
Why is the monolith el capitan in yosemite national park more resistant to erosion than other igneous plutons in the park?
Harman [31]
Because it is intact and unfractured
4 0
3 years ago
When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is
anygoal [31]
In the field of electromagnetism, when two charged plates that are situated opposite to each other by a certain distance, it forms an energy called the electric field. This energy is due to the difference in potential energy with respect to distance. Thus,

E = V/d

However, the voltage in volts is energy per coulomb. Thus,
V = (8x10-17 J/electron)*(1electron/1.60218x10^-19 C)
V = 499.32 volts

Therefore,

E = 499.32 volts /2.5 m
E = 199.73 N/C

The electric field that caused the change in potential energy is equal to 199.73 Newtons per Coulomb.
7 0
3 years ago
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