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kenny6666 [7]
2 years ago
11

Please answer and fast i am in a test

Physics
2 answers:
blsea [12.9K]2 years ago
8 0
Not sure but I’m guessing Online?
klasskru [66]2 years ago
4 0

Answer:

Online means connected to a network.

Credible means reliable or trustworthy

Cite means to quote from an article or book.

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Help pls, see picture. Will mark Brainliest
Pani-rosa [81]

Answer:

a ) option 2 is correct

b) -ve acceleration for upward motion ,0 acceleration at top point ,+ve acceleration on downward motion ...

Explanation:

mark me as brainliest ❤️

5 0
2 years ago
Read 2 more answers
Skid Marx set the world record for acceleration as he went from zero to 10 m/s in 3 seconds. How far did he travel in that time?
iren [92.7K]

Answer:

12000 miles per hour

Explanation:

If skid Marx went from zero to 10 miles in 3 seconds the his speed would have been 12000 miles per hour.

8 0
3 years ago
What affect does friction have on motion
satela [25.4K]

Answer: friction reduces the speed during motion

Explanation:

The more the friction, the lesser the speed during motion

3 0
3 years ago
You are a member of an alpine rescue team and must get a box of supplies, with mass 3.00 kg , up an incline of constant slope an
Sever21 [200]

Answer:

v = 8.45 m/s

Explanation:

given,

mass  = 3 kg

angle = 30.0°

vertical distance = 3.3 m

μ = 0.06

according to conservation of energy

KE(loss) = PE(gain) + Work done (against\ friction)..............(1)

frictional Force

F_f = \mu N

F_f = \mu m g cos \theta

work against friction

W = F d

W = \mu m g cos \theta \times h l sin\theta

W = \dfrac{\mu m g \times h}{tan\theta}

Potential energy

PE = mgh

\dfrac{1}{2}mv^2= \dfrac{\mu mgh}{tan \theta}+ mgh

\dfrac{1}{2}v^2= \dfrac{0.06 \times 9.81 \times 3.3}{tan 30^0}+ 9.8\times 3.3

v = 8.45 m/s

the minimum speed is equal to 8.45 m/s

6 0
3 years ago
A capacitor consists of a set of two parallel plates of area A separated by a distance d . This capacitor is connected to a batt
Elis [28]

Answer:

if we double the distance the energy stored will be doubled also

Explanation:

The energy stored in a capacitor is given as

Energy stored =1/2(cv²)

Or

= 1/2(Qv)

Where c = capacitance

Q= charge

But the electric field is expressed as

E= v/d

where v= voltage

d= distance

v=Ed

Substituting into any equation above say

Energy stored =1/2(Qv)

Substituting v=Ev

Energy stored =1/2(QEd)

From the equation above it shows that if we double the distance The energy stored will be doubled also

5 0
3 years ago
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