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umka2103 [35]
4 years ago
11

This may seem like an easy question for a physics type to answer: With what force does a rock that weighs 10 N strike the ground

if dropped from a rest position 10 m high? In fact, the question cannot be answered unless you have more information. What information, and why?
Physics
2 answers:
Alenkasestr [34]4 years ago
8 0
Ok see if you can go to the laibrary and there is this knowledge book called force and gravity and that will help on what kind of research that can help good luck
tester [92]4 years ago
6 0
You do not know the velocity the rock is traveling

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Part A Magnetic field lines form closed loops Magnetic field lines form closed loops Around and through bar magnets. Through cur
alex41 [277]

Answer:

Magnetic field lines form closed loops around current carrying straight wires.

Explanation:

Magnetic field lines is known to form closed loop (which also serves as a bar magnet) around current carrying conductor in a magnetic field. This direction of the loop around the conductor either clockwise or anticlockwise will determine the direction of current in the conductor.

This directions can be determined using the Maxwell cockscrew or clenched fist rule.

According to clenched fist rule which states if the conductor is grasp with the right hand, the curled finger will point in the direction of the magnetic field and the thumb will point in the direction of the current.

Note that the magnetic field lines around the conductor also behaves like a bar magnet.

8 0
4 years ago
You have built a device that measures the temperature outside and displays it on a dial as a measure of how far away from room t
Bogdan [553]

Answer:

m=33.734 grams

E=41435.95 N/C

Explanation:

The detailed explanation of Answer is given in the attached file.

8 0
4 years ago
Water changes shape to fill the shape of its container. What is the best explanation for this?
jeka57 [31]
D. The molecules in water are constantly moving.

They are able to do this because they move around to take whatever shape of the container.
6 0
3 years ago
Read 2 more answers
An object is thrown horizontally off of a cliff. While falling, what happens to the horizontal acceleration?
irga5000 [103]

There is no acceleration in the horizontal direction because the speed in that direction is constant. So it stays at zero.

8 0
3 years ago
Consider two less-than-desirable options. In the first you are driving 30 mph and crash head-on into an identical car also going
4vir4ik [10]

Answer:

B. The force would be the same in both cases.

Explanation:

According to Newton's 3rd law where impulse was equated to the momentum formula.

F × t = M × V

where,

Force = F

V = velocity

Since, Impulse is force multiplied by time, whereas the time of contact is the same for both, therefore the impulse is the same in magnitude for the two trucks.

Case 1: Hitting the other car

Case 2: Hitting the brick wall

In Case 1, both the cars are identical and have same velocity whereas in the Case 2, the wall is stationary.

The case of hitting the brick wall have the same impact force as hitting the other car, because they have the same change in momentum.

Therefore, The force would be the same in both cases.

6 0
4 years ago
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