When a force is exerted on an object, does a large force always produce a larger change in the object's momentum than a smaller force does?

Answers

Answer 1

Answer: yes .because the larger or more amount of pressuer will make moer of a compact . than a smaller one would

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The Earlybird communications satellite hovers over the same point on Earth's equator indefinitely. This is because _____. A. its orbital period is 24 hours B. it is beyond the main pull of gravity C. it pulls as hard on Earth as Earth pulls on it D. it is kept aloft by ground control E. forces other than Earth's gravity act on it

A 60-kg person is traveling in a car moving at 16 m/s, when the car hits a barrier. The person is not wearing a seat belt, but is stopped by an air bag in a time interval of 0.20 s. Determine the average force that the air bag exerts on the person?

Answers

Using conservation of momentum, we can solve for the force that the air bag exerts on the person.

Recall the equation for momentum (p):

$p = mv = F*dt$

We can solve for total momentum, then divide by out time interval. This gets us:

$(60kg)(16m/s) = F(0.2s)F = 4800N$

F = 4800N

How do I calculate the equivalent resistance?

Answers

you need to specify between which nodes.

Rab = R1+R5+R3 ; R2,R4 are ignored because CD is opened curcuit.

Rbd = R3 + R4

anyway, the cuircuit seems incomplete

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A metal plate is connected by a conductor to a ground through a switch. The switch is initially closed. A charge of +Q is brought close to the plate without touching it, and then the switch is opened. After the switch is opened, the charge +Q is removed. What is the charge on the plate then?

Answers

The charge of the plate will be negative

the positive charge will attract electrons from earth to the plate, leaving the switch opened with no return path.

The excess electron then will be trapped on the plate, causing it to be negative with respect to both earth and the charge

hope this helps

Final answer:

The metal plate will have a net positive charge of +Q. This is due to charging by induction when a +Q charge is brought near it while grounded. Opening the switch before removing the charge leaves the induced +Q charge on the plate.

Explanation:

The metal plate's charge after a

charge is brought near it, the switch is opened and the charge is removed can be explained by understanding the process of

charging by induction

and the behavior of

charge on a conductor

. When the +Q charge is brought near the metal plate, it induces a -Q charge on the plate's closest surface due to the opposite charge attraction. This leaves an equal +Q charge on the farthest surface of the metal plate, as charges inside a conductor distribute to the outer surfaces in static equilibrium. When the switch connecting the plate to ground is opened, the +Q charge on the far side of the plate can't flow to ground and remains on the plate. Removing the +Q charge after that doesn't change the plate's charge as the system is no longer closed; it is now a

net positive charge

of +Q on the metal plate.

Learn more about Charging by Induction here:

brainly.com/question/10254645

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Which statements about velocity are true?Check all that apply.

A. For velocity, you must have a number, a unit, and a direction.
B. The SI units for velocity are m/s2.
C. The symbol for velocity is .
D. To calculate velocity, divide the displacement by time.

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just took the quiz its A C and B

A, B, and D are true for sure. It's possible that C might also be true, if we only knew what the last word or symbol is supposed to be.

If you push down on a table with a force of 5 newtons, what is the normal force pushing back on you?

Answers

Answer:

5N itself because every action has an equal and opposite reaction

Suppose that you're facing a straight current-carrying conductor, and the current is flowing toward you.The lines of magnetic force at any point in the magnetic field will act in
A. the same direction as the current.
B. a clockwise direction.
C. a counterclockwise direction.
D. the direction opposite to the current.

Answers

Right-hand rule reveals a connection between the current and the magnetic field lines in the magnetic field. It is also called Ampere`s right hand screw rule. It determines the direction of the magnetic field surrounding a current carrying wire. The thunb points direction of current and fingers point the direction of magnetic lines of force. Answer: C ) a counterclockwise rotation.

Answer: b. a clockwise direction

Explanation: just took the test

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