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Elodia [21]
3 years ago
12

Calculate the distance in km that Charlie runs if he maintains the average speed from question 2 for 1 hour

Physics
2 answers:
egoroff_w [7]3 years ago
5 0
Sorry, but what is question 2?
weqwewe [10]3 years ago
4 0

Distance covered by charlie= 2 km

Explanation:

we know that

d= v\times t

d= distance

t= time= 1 hour

v= velocity= 2 km/h

so distance d= 2 km/h (1 h)

d=2 km

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If themass is 50kg, what weight of water is to be displaced to float on water? why
ludmilkaskok [199]

Answer:if youre looking for the weight of the thermas in genral it should be 500n

Explanation:using the formula w=mg

w=500x10

giving us 500 newtons which is the weight.

5 0
1 year ago
Explain the effects of force giving example​
Pie

Answer:

1) Can change the state of an object(rest to motion/ motion to rest):For example, pushing a heavy stone in order to move it. 2) May change the speed of an object if it is already moving. 4) May bring about a change in the shape of an object. For example, blowing air in balloon.

3 0
2 years ago
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What are the five advantages of using machine and tools in our daily life?​
daser333 [38]

Answer:

it makes our work easy and

time saving

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7 0
2 years ago
How is the direction of a vector affected when it is multiplied by a scalar?
pantera1 [17]
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6 0
2 years ago
A small loop of area A = 5.5 mm2 is inside a long solenoid that has n = 919 turns/cm and carries a sinusoidally varying current
Tema [17]

Answer:410.90\times 10^{-6} V

Explanation:

Given

A=5.5 mm^2

n=919 turns/cm\approx 85400 turns/m

\omega =226 rad/s

According to the Faraday law of induction, induced emf is given by

E=-\frac{\mathrm{d} \phi _B}{\mathrm{d} t}

Magnetic field \phi _B=B\cdot A

B=\mu _0ni=\mu _0ni_osin\left ( \omega t\right )

B=4\pi \times 10^{-7}\times 85400\times 3.08\times \sin (226t)

B=0.3305\sin (226t)

\phi _{B}=0.3305\times \sin (226t)\times 5.5\times 10^{-6}

\phi _{B}=1.818\times 10^{-6}\sin (226t)

E=-\frac{\mathrm{d} \phi _B}{\mathrm{d} t}

E=-1.818\times 10^{-6}\times 226\cos (226t)

E=-410.90\times 10^{-6}\cos (226t)

Amplitude of EMF induced=410.90\times 10^{-6} V

8 0
3 years ago
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