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zmey [24]
3 years ago
12

How do driver of cars use galvanometer

Physics
1 answer:
adoni [48]3 years ago
6 0
<span>Electricians use them and drivers of cars use them to know when to stop for fuel.. If a wire with a current moved upward in a magnetic field, how would it move when the direction of ... What energy transformation occurs in a galvanometer?</span><span>
</span>
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5. A family of ducks is swimming in a pond at a speed of 3 m/s when a gust of wind hits them. By the time they reach the other s
ella [17]

Answer:

The time taken by the duck to cross the lake is, t= 4 s

Explanation:

Given data,

The initial speed of the ducks, u = 3 m/s

The final speed of the ducks, v = 7 m/s

The acceleration of the duck, a = 1 m/s²

The formula for the acceleration is,

                               a = (v - u) / t

∴                               t = (v - u) / a

Substituting the given values in the above equation,

                                t = (7 - 3) / 1

                                  = 4 s

Hence, the time taken by the duck to cross the lake is, t= 4 s

6 0
3 years ago
A 0.0450-kg golf ball initially at rest is given a speed of 25.2 m/s when a club strikes. part a part complete if the club and b
Ksenya-84 [330]
We are given information:
m = 0.0450 kg
Δv = 25.2 m/s
Δt = 1.95 ms = 0.00195s

To find force we use formula:
F = m * a

a is acceleration. To find it we use formula:
a = Δv / Δt 
a = 25.2 / 0.00195
a = 12923.1 m/s^2

Now we can find force:
F = 0.0450 * 12923.1
F = 581.5 N 


To check the effect of the ball's weight on this movement we need to calculate it and then compare it to this force.
W = m * g
W = 0.0450 * 9.81
W = 0.44145 N 

We can see that weight is much smaller than the applied force so it's influence in negligible.
3 0
3 years ago
In order for an object to accelerate (blank) must be applied.
yaroslaw [1]

Answer:

a force

Explanation:

a force causes a certain object to move and make a displacement.

4 0
2 years ago
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What does buoyancy depend on 
Marta_Voda [28]
... the density of the liquid
... the volume of the submerged object
8 0
3 years ago
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What are the consequences of sediment pollution?
Nonamiya [84]
Loss of habitats for fish, birds, and other wildlife. Sediment pollution is one of the leading causes of the loss of the wetlands, but it’s not just the wetlands. Changes in the nutrients in your water. The same problem that affects the fish in your area may also affect you. Other drinking water contamination.
6 0
3 years ago
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