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Svetradugi [14.3K]
3 years ago
9

PROJECTILE MOTION-Why isn't there any accelertion in the x direction while there is an acceleration of -g in the y direction? ..

.?
Physics
1 answer:
Ahat [919]3 years ago
5 0
There is no acceleration of g in the x direction because the gravitational acceleration points downward. Also, on most studies we ignore the tidal forces since we are dealing with small bodies compared to the size of the earth.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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What conversion factor is used to convert 20 cm to m
Anastaziya [24]
The conversion factor you use is 100 cm = 1 m.
You can divide 20 by 100 to get the answer.
20 cm/100 cm =.2 m
Hope this helped!
7 0
3 years ago
A test charge is Introduced into the electric field of a charge. It feels a force of 2 F where the electric field is 4 E. What w
grandymaker [24]
I think Its 1/4 F I guess
4 0
3 years ago
A bullet with a mass of 0.020 kg collides with a 2.5 kg wooden block at
kondaur [170]

Answer:

151.2 m/s

Explanation:

m1 = 0.020 kg

m2 = 2.5 kg

vf = 1.2 m/s

m1v1 +m2v2 = (m1 +m2)vf

0.020v1 + 0 = (0.020 +2.5)(1.2)

---> 151.2 m/s

5 0
3 years ago
An object at a distance of 6400km from the centre
Fittoniya [83]

Answer:

12.5N

Explanation:

From newton law of universal gravitation F= GmM/d2.

that means Force is inversely proportional to the square of the distance apart.

F1= 50N, d1=6400km

F2=?, d2=12800km

F1/F2=d2×d2/d1×d1 so we have 50/F2= 12800×12800/6400×6400...F2=6400×6400×50/(12800×12800)=12.5N

6 0
3 years ago
Magnitudes físicas y sus unidades ; poner a que magnitud pertenece
BARSIC [14]

Answer:

1. Energía = 4 J

2. Fuerza = 1,3 N

3. Aceleración = 2 m/s²

4. Masa = 7,1 kg

Explanation:

Magnitudes físicas y sus unidades;

1. Energía = 4 Joules

Energía se puede definir como la habilidad (capacidad) para realizar un trabajo.

2. Fuerza = 1,3 Newton

Fuerza = masa * aceleración

3. Aceleración = 2 m/s²

Aceleración se puede definir como la tasa de cambio de la velocidad de un objeto con respecto al tiempo.

Esto simplemente significa que la aceleración viene dada por la resta de la velocidad inicial de la velocidad final a lo largo del tiempo.

4. Masa = 7,1 Kilograms

La masa se puede definir como una medida de la cantidad de materia de la que se compone un objeto o un cuerpo. La unidad de medida estándar de la masa de un objeto o un cuerpo son los kilogramos.

8 0
2 years ago
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