Can the object be in motion if the net force acting on it is zero? explain.

A submarine periscope uses two totally reflecting 45-45-90 prisms with total internal reflection on the sides adjacent to the 45 degree angles.

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You can't see, touch, or smell the ozone layer. Why is it important to you?

According to which calendar is new year's celebrated on january 1st?

A 50.0-g super ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 16.0 m/s. a high-speed camera records this event. if the ball is in contact with the wall for 3.

You are going to develop some photographic film that involves a chemical reaction between the developer, which you will mix yourself, and a chemical on the surface of the film.

Would time travel mean that parallel universes would be created off our linear time sequence to ensure the universe doesn't collapse itself because of significant events being drastically changed in the way it shapes the universe?

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A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

What does a hurricane hunter do