I've been getting this question wrong and i still don't know it.

Physics

2 answers:

Diano4ka-milaya [45]2 years ago

8 0

Answer:

the answer is B - He can use the laser to point to specific information on the slides.

Explanation:

laser pointers are used and its on edge

RideAnS [48]2 years ago

7 0

Answer: Option (A) is the correct answer.

Explanation:

Laser helps in zooming an image on which it is directed or falls so that it becomes easier for a large population to understand what the teacher or guide is talking about.

For example, when Greg is giving slide show presentation to a large audience then in order to make his slides visualized by everyone in the room he uses laser.

Therefore, we can conclude that a laser best help him with the presentation as he can use the laser to enlarge images on the slides.

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As a projectile falls, what happens to the components of velocity?

netineya [11]

Answer:

Option (c).

Explanation:

An object when when projected at an angle, will have some horizontal velocity and vertical velocity such that,

$v_x=v\cos\theta\ \text{and}\ v_y=v\sin\theta$