4. A lamp is connected to a 230 V mains supply. A current of 4 A flows through the
2 answers:
Explanation:Example
A 500 W television set is switched on for 4 hours. Calculate the energy transferred.
500 W = 500/1000 = 0.5 kW
energy transferred = power × time
= 0.5 × 4
= 2 kWh
Answer:
I= Q ÷ T
Explanation:
I: Current measured in amperes
Q: Charge flow measured in coulombs
T: Time measured in seconds
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It's actually Friction.
I just did the test and got it right.
Vf = Vo + at
Vf = 20 m/s
Vo = 50 m/s
a = ?
t = 15
Therefore
20 = 50 + 15a
20 - 50 = 15a
-30 = 15a
a = -30 / 15
a = -2 m/s²
The sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.
A- by kicking the ball into the net/goal
Answer:
C
Explanation:
The increase in the distance between equilibrium positions for the vibrating atoms.
