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mixer [17]
3 years ago
7

Which of the following best describes the electromagnetic spectrum?

Physics
2 answers:
anyanavicka [17]3 years ago
7 0
D.) Travels in a pattern of particle motion....
egoroff_w [7]3 years ago
4 0

Answer:

Its A

Explanation:

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Which explanation describes the forces involved for a person to walk down the sidewalk? A. The person's feet push backward on th
cluponka [151]

C. The person's feet push backward on the sidewalk; the sidewalk pushes forward on the person.

This is due to our kick back motion forced on the sidewalk when we walk, and the resistance of us walking on it createsa push forward.

Hope this helps!

6 0
3 years ago
Read 2 more answers
Two point charges, initially 3 cm apart, are moved to a distance of 1 cm apart. By what factor does the resulting electric force
Solnce55 [7]
The answer is B (1/9).
6 0
2 years ago
On his honeymoon, James Joule attempted to explore the relationships between various forms of energy by measuring the rise of te
Marizza181 [45]

Answer:

The maximum temperature rise = 0.047 °C

Explanation:

Potential Energy, P = mgh

Energy transfered, Q=mcΔT

Potential energy  = Energy transfered

mgh = mcΔT

gh = cΔT

ΔT = gh/c

ΔT = (9.81 * 20) / 4186

ΔT = 0.047 °C

8 0
3 years ago
Does anyone know how to do this?​
SIZIF [17.4K]

Explanation:

By Hooke's Law,

F=kx

The only force acting here is weight, and x is the extension of the string (you need to convert this to mm) so

mg=kx

(0.15)(9.81)=k ((420-300)x10^-3)

Then just solve this equation.

8 0
3 years ago
A student uses 60 Newtons of force to climb 18 meters in 6 seconds. Calculate her Power.
puteri [66]

Answer:

15

Explanation:

P=W/T

T=6sec

W=?

F=60N

S=18m

W=F X S. .s indicate displacement

W=60x18

W=108

So p=108 j/6sec

P=15watt

5 0
2 years ago
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