2 years ago

A simulation shows whether changing various weather conditions increases

Physics

1 answer:

LenKa [72]2 years ago

4 0

Answer:I don’t know

Explanation:

i don’t know

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A point charge of -3.0 x 10-5C is placed at the origin of coordinates. Find the electric field at the point 3. r= 50 m on the x-

Snezhnost [94]

Answer: -5×10-3

Explanation:

E=kq/r

4 0

2 years ago

water is pumped from a stream at the rate of 90kg every 30s and sprayed into a farm at a velocity of 15m/s. Calculate the power

nikitadnepr [17]

Answer:

340 W

Explanation:

Power = change in energy / change in time

P = ΔKE / Δt

P = ½ mv² / Δt

P = ½ (90 kg) (15 m/s)² / (30 s)

P = 337.5 W

Rounded to 2 significant figures, the power is 340 W.

7 0

2 years ago

A 7 kg sled is initially at rest on a horizontal road. the sled is pulled a distance of 2.9 m by a force of 42 n applied to the

Artemon [7]

I have no idea on this question.

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3 years ago

Canned vegetables are usually more expensive than fresh vegetables true or false

aalyn [17]

Answer:

Explanation:

true because i depends (what market you go to) and how much the vegetable weighs

5 0

2 years ago

Soccer ball is heading east positive direction with momentum of 2kgm/s. It is kicked backwards and a fraction of a second later

attashe74 [19]

Answer:

-4.3 kgm/s

Explanation:

Impulse which the soccer ball experiences is equal to the change in momentum of a body.

It is given mathematically as:

Impulse = m*Δv = $mv - mu$

Initial momentum of soccer ball = 2 kgm/s

Final momentum of the soccer ball = -2.3 kgm/s

Therefore, Impulse will be:

Impulse = $-2.3 - 2$

Impulse = $-4.3 kgm/s$

The impulse put on the soccer ball by the kicker is -4.3 kgm/s.

8 0

3 years ago