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lyudmila [28]
3 years ago
12

What happens to light when it strikes a concave or convex lens?.

Physics
1 answer:
Kryger [21]3 years ago
4 0

Answer

figure it out are you d*mb

Explanation:

ha-ha

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Force is applied to an object and the object is moved over a distance in the same direction of the applied force" is the definit
just olya [345]

Answer: The correct answer is "work".

Explanation:

The expression for the work done in terms of force and displacement is as follows;

W= Fd

Here, W is the work done, F is the applied force and d is the displacement.

If the force is applied to an object and the object is displaced to some distance then the work is done.

It is given in the problem that force is applied to an object and the object is moved over a distance in the same direction of the applied force". The given statement is the definition of work. The work done can be zero, negative and positive. In the given case, the positive work is said to be done as the direction of the applied force and the distance moved by the object are same.

Therefore, the correct option is (d).

7 0
3 years ago
Read 2 more answers
Which of the following items involve a wedge?
elena55 [62]

Answer:

D

Explanation:

Maybe your question is meant to be: which is not a wedge, because wedge is a combination of two inclined planes, use to separate bodies which are held together by large forces. Option A,B & C are all wedge except D.

8 0
3 years ago
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While discussing electronic gasoline injection systems, Technician A states that most multiport EFI systems use two injectors fo
lutik1710 [3]

Answer:Technician  B is right.

Explanation: A multi port  system is an advanced  type of Electronic Fuel Inection system that uses one injection per cylinder.  The microcontroller which is a part in the automated system of the Multi port system is responsible for monitoring and controlling the fuel injection process leading to fuel efficiency.

8 0
4 years ago
A car was driving at a speed of 10 m/s. In 3 seconds, it accelerated to a speed of 50 m/s. Calculate the car's acceleration.
Thepotemich [5.8K]

Answer:

\boxed {\boxed {\sf 13.3 \ m/s^2}}

Explanation:

Acceleration is the rate of change of velocity with respect to time. It is the change in velocity over the change in time, and it is calculated using the following formula.

a= \frac{ v_f-v_i}{t}

The car starts at a speed of 10 meters per second, then it accelerates to a speed of 50 meters per second. It achieves this acceleration in 3 seconds.

  • v_f= 50 m/s
  • v_i= 10 m/s
  • t= 3 s

Substitute the values into the formula.

a= \frac{50 \ m/s - 10 \ m/s}{3 \ s}

Solve the numerator.

  • 50 m/s -10 m/s= 40 m/s

a= \frac{40 \ m/s}{3 \ s}

Divide.

a= 13.3333333 \ m/s/s

a \approx 13.3 \ m/s^2

The car's acceleration is approximately <u>13.3 meters per second squared.</u>

6 0
3 years ago
A total charge Q is distributed uniformly over a large flat insulating surface of area A . If the electric field magnitude is eq
Andrew [12]

Answer:

a. 1000N/C

Explanation:

Data mentioned in the question

Electrical field magnitude = 1000 NC

Perpendicular distance = 0.1 m

Perpendicular distance = 0.2 m

Based on the above information, the electric field is

As we know that

E = \frac{\sigma}{2\times E_o}

where,

\sigma = surface charge density

E = distance from nearby point to sheet i.e be independent

The distance at 0.1 and 0.2, the electric field would remain the same

So,

Based on the above explanation, the first option is correct

3 0
3 years ago
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