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Sholpan [36]
3 years ago
11

Change in momentum is equal to force times the amount of time the force is applied? True or False?

Physics
1 answer:
harina [27]3 years ago
7 0
The answer to this question is false
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When a wire with a current is placed in a magnetic field, electrical energy is transformed into mechanical energy. true or false
Anettt [7]
The answer is true to my knowlege
6 0
3 years ago
A boat sounds a fog horn on a day when both the sea water and the air temperature are 25.0° C. The speed of sound in sea water i
Yanka [14]

Answer:

C) 2.24 s

Explanation:

Speed of sound in air at 25 degree = 346 m /s

Speed of sound in sea water = 1533 m/s

Time taken by sound to reach dolphin

= 1000 / 1533 = 0.6523 s

Time taken by sound to reach boatman

1000/ 346

= 2.89 s

Difference

= 2.89 - .6523

= 2.24 s

7 0
3 years ago
Show work and we
larisa [96]
Acceleration = final velocity - initial velocity/time taken
A = Vf-Vi/t
A = 1 m/s - 0 m/s / 4 sec
A = 1 m/s / 4 sec
A = 0.25 m/s2
8 0
3 years ago
A uniform circular disk has a radius of 34 cm and a mass of 350 g. Its center is at the origin. Then a circular hole of radius 6
Natasha_Volkova [10]

Answer:

u can ask it to the person who give ot to u i dont no

4 0
3 years ago
What net force would be required for a 50.5 kg wolf to accelerate at 5.0 m/s^2
Basile [38]

Answer:

\boxed {\boxed {\sf 252.5 \ Newtons }}

Explanation:

Force is the push or pull on object that can cause different things, like acceleration. According to Newton's 2nd Law of Motion, it is the product of mass and acceleration.

F=m*a

The mass of the wolf is 50.5 kilograms and the acceleration is 5.0 meters per square second. Therefore:

  • m= 50.5 \ kg
  • a= 5.0 \ m/s^2

Substitute the values into the formula.

F= 50.5 \ kg * 5.0 \ m/s^2

Multiply.

F=252.5 \ kg*m/s^2

  • 1 kilogram meter per square second is equal to 1 Newton.
  • Our answer of 252.5 kg*m/s² is equal to 252.5 Newtons.

F= 252.5 \ N

The force required is <u>252.5 Newtons</u>.

4 0
2 years ago
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