3 years ago

True or False: It is safe to touch an electric current while soaking wet.

Physics

1 answer:

olganol [36]3 years ago

8 0

Answer:

False

Explanation:

Water contains ions that can conduct electricity and if touched it can cause harm (aka electrocution).

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A 60-watt light bulb has a voltage of 120 bolts applied across it and a current of 0.5 amperes flows through the bulb. What is t

Andre45 [30]

Answer:

240 ohms

Explanation:

From Ohms law we deduce that V=IR and making R the subject of the formula then R=V/I where R is resistance, I is current and V is coltage across. Substituting 120 V for V and 0.5 A for A then

R=120/0.5=240 Ohms

Alternatively, resistance is equal to voltage squared divided by watts hence $\frac {120^{2}}{60}=240$

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3 years ago

An 8 Ω resistor is connected to a 6 V battery and another resistor in series. If the current in the circuit is 0.5 A, what is th

Semmy [17]

8+R=V/I
8+R=6/0.5=12 ohm
then R=4 ohm

4 0

3 years ago

During the flight of the ball, what is the direction of its Acceleration due to gravity

vekshin1

Regardless of what direction an object is moving, the acceleration
due to gravity is always directed toward the center of the Earth.
That's the direction commonly known as "down".

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3 years ago

To a stationary, a bus moves south with a speed of 15 m/s. a man inside walks toward the front of the bus with a speed of 0.2 m/

marta [7]

It is 15.2 m/s South.

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3 years ago

Read 2 more answers

A shopping cart is given an initial velocity of 4 m/s and experiences a constant acceleration of 4 m/s2. What is the magnitude o

NNADVOKAT [17]

Answer:

48m

Explanation:

Initial velocity = 4m/s
Acceleration = 4m/s²
Time = 4s
Displacement = ?

From Second equation of motion ,

$\longrightarrow$ s = ut + 1/2at²

$\longrightarrow$ s = 4*4 + 1/2*4*(4)² m

$\longrightarrow$ s = (16 + 2 * 16) m

$\longrightarrow$ s = ( 16 + 32 )m

$\longrightarrow$ s = 48 m

8 0

3 years ago