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fredd [130]
3 years ago
11

A common magnifying glass is an example of.​

Physics
2 answers:
Misha Larkins [42]3 years ago
8 0

Answer:

planoconvex lens

Explanation:

maxonik [38]3 years ago
7 0

Answer:
A convex lens. A convex can magnify objects when kept at a particular position.
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Help please !! physics kinematic equations
jarptica [38.1K]

Explanation:

A or E I think cous I use to do this in yr 7

7 0
3 years ago
Show that a directed multigraph having no isolated vertices has an euler circuit if and only if the graph is weakly connected an
sergeinik [125]
If we let
p as the directed multigraph that has no isolated vertices and has an Euler circuit
q as the graph that is weakly connected with the in-degree and out-degree of each vertex equal

The statement we have to prove is
p ←→q (for biconditional)
Since
p → q (assuming that p is strongly connected to q)
q ← p (since p is strongly connected to q)
Therefore, the bicondition is satisfied
5 0
3 years ago
A jet aircraft with a mass of 4,475 kg has an engine that exerts a force (thrust) equal to 60,800 N. (a) What is the jet's accel
BartSMP [9]

Answer:

a) 13.59 m/s²

b) 67.95 m/s

c) 169.875 m

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

m = Mass

Force

F=ma\\\Rightarrow a=\frac{F}{m}\\\Rightarrow a=\frac{60800}{4475}\\\Rightarrow a=13.59\ m/s^2

Acceleration of the jet is 13.59 m/s²

v=u+at\\\Rightarrow v=0+13.59\times 5\\\Rightarrow v=67.95\ m/s

Velocity attained at 5 seconds is 67.95 m/s

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{67.95^2-0^2}{2\times 13.59}\\\Rightarrow s=169.875\ m

Distance traveled in the 5 seconds is 169.875 m

4 0
3 years ago
Read 2 more answers
If you toss a ball vertically upward in a uniformly moving train, it returns to its starting place. Will it do the same if the t
gogolik [260]

Answer:No

Explanation:

No

As the train is accelerating so train velocity will be more as compared to the ball  and thus will cover more distance as compared to the ball.

When the ball is thrown upward with some velocity, it also possesses the train velocity at the time of throwing but as time passes velocity of train increases due to acceleration of the train. This causes the ball to fall behind the point of launch.

3 0
4 years ago
Moving a distal part of arms or legs to follow a circular path is:
azamat
Moving a distal part of arms or legs to follow a circular path is called circumduction. This medical term is sometimes described as circular movement because the movements of hands and arms are tracing circles in the air or space. Circumduction is also described as conical movement.<span> </span>
8 0
3 years ago
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