3 years ago

7th grade science!! Help ASAP!!

Physics

2 answers:

N76 [4]3 years ago

7 0

Answer:

Bladder: A temporary storage place for urine

Ureter: Tube that carries urine from the kidneys from the bladder

Nephron: functional unit of the kidney.

Urethra: Exit way for urine out of the body.

Kidney: filters waste from the blood.

I hope this helps! Have an amazing day!

Eduardwww [97]3 years ago

7 0

It’s already answered

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if an object is moving at a constant speed in a changing direction, What is the acceleration of the object (zero or not zero)

Andreas93 [3]

We know, acceleration is the change of velocity by time.
Velocity is the speed of an object which also indicates the direction.
Hence, acceleration is both dependant upon the speed as well as the direction.
So, if an object is moving at a constant speed in a changing direction, the acceleration will also change. It will not be zero.
An example is that of uniform circular motion.

Answer:

if an object is moving at a constant speed in a changing direction, the acceleration of the object will not be zero.

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Two particles, each of charge Q, are fixed at opposite corners of a square that lies in the plane of the page. A positive test c

amid [387]

Answer:

The magnitude of the net force is √2F.

Explanation:

Since the two particles have the same charge Q, they exert the same force on the test charge; both attractive or repulsive. So, the angle between the two forces is 90° in any case. Now, as we know the magnitude of these forces and that they form a 90° angle, we can use the Pythagorean Theorem to calculate the magnitude of the resultant net force:

$F_N=\sqrt{F^{2}+F^{2}}\\\\F_N=\sqrt{2F^{2}}\\\\F_N=\sqrt{2}F$