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SVETLANKA909090 [29]
3 years ago
8

Which is an example of negative acceleration?

Physics
2 answers:
pshichka [43]3 years ago
7 0

Answer:

A) a snowboarder who increases speed when traveling downhill

just olya [345]3 years ago
4 0
It’s A!!!!!!!!!!!!!!!!!!!
You might be interested in
Calcula la energia potencial de Tamara que tiene una mas de 50kg y se encuentra, 80 metros arriba en el borde de un edificio
Ilya [14]

Responder:

39200 J

Explicación:

Dado:

Masa de Tamara (m) = 50 kg

Altura a la que se encuentra Tamara (h) = 80 m

Aceleración debido a la gravedad (g) = 9.8 m / s²

La energía potencial de un objeto de masa 'm' ubicada a una altura 'h' sobre el suelo se da como:

U=mgh

Ahora, conecte los valores dados y resuelva la energía potencial. Esto da,

U=50\times 9.8\times 80\\\\U=39200\ J

Por lo tanto, la energía potencial de Tamara ubicada a una altura de 80 m es 39200 J.

8 0
4 years ago
Suppose 1.4 mol of an ideal gas is taken from a volume of 2.5 m3 to a volume of 1.0 m3 via an isothermal compression at 27°C. (a
zysi [14]

Answer:

Part a)

Q = 3198 J

Part b)

It is compression of gas so this is energy transferred to the gas

Explanation:

Part a)

Energy transfer during compression of gas is same as the work done on the gas

In isothermal process work done is given by the equation

W = nRT ln(\frac{V_2}{V_1})

now we know that

n = 1.4 moles

T = 27 degree C = 300 K

V_2 = 2.5 m^3

V_1 = 1 m^3

now we have

W = (1.4)(8.31)(300)(ln\frac{2.5}{1})

Q = 3198 J

Part b)

It is compression of gas so this is energy transferred to the gas

6 0
4 years ago
Five ways to calculate speed without speedometer
QveST [7]
One way is speed=distance divided by time
8 0
4 years ago
Which of the following does not represent a mechanical wave?
Sergeeva-Olga [200]

ocean waves because its not artificial

3 0
4 years ago
Read 2 more answers
19. The current in a hair dryer is 12 A. The hair dryer is plugged into a 120-V outlet. How
patriot [66]

Answer:

10 ohms

Explanation:

R = V / I

3 0
3 years ago
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