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# Physics Questions and Answers (Q&A)

Bunglophil
If the net force is acting in one way and another net force is acting in another way wouldn't that bring an object to hault.
Markda John
The person who answered before me said 600 km/h. I would be inclined to agree. The question is asking for the horizontal speed of the pillow relative to the ground. Since the pillow itself is...Read More

The net force that acts on the elevator as it accelerates upward at 1.00 m/s2 is 9.8.

Robert Hazlewood, Senior Executive
The answer is C, 37. If you are only adding vectors of length 20 and 40 units, the only possible resultant magnitude that you can obtain out of the following choices is 37. So the important thing...Read More
The correct answer to this question is B. If a rocket moves through empty space in a straight line with constant speed, far from the gravitational pull of any star or planet, this motion can be...Read More

Larry Thornton, Student
A is the answer to this question. Inertia is known to be the resistance of the object in order to change what it is doing or where this is. If there would be further change or more effort will be...Read More
But isn t supposed to be refracts?? Because its a lens it can only form refracted images
I don't understand i calculated 70
can i get some help
There was a time when people were taught that there are only three states of matter available, namely solid, liquid, and gas. Over the past years, the machines and tools that researchers and...Read More

Kilowatt is a measure of power. When multipied by time, tKilowatt-hour, the product is energy.

Move west at a speed at a speed that is less than the bus s speed

Donnaingusan
2.5 x 105N/m2

Solution: First calculate the flow speed on the second floor, calling it v2, using the equation of continuity. We can call the basement point 1. v2 = (v1A1) / (A2) =...Read More
Bergeront Tiffney, Computer Engineer  