Power is defined in physics as the quantity of energy transported or transformed per unit of time. To calculate power, divide the amount of energy transferred by time.
Power is defined in physics as the quantity of energy transported or transformed per unit of time. The watt is the unit of power in the International System of Units, equivalent to one joule per second. Power is also referred to as activity in ancient writings. A scalar quantity is a power.
The formula for power is given as the ratio of energy transferred to the time taken.
Its SI unit is Watt, while the SI units for energy and time are seconds. Therefore, we can write,
Power = Energy transfer / Time taken
Joule = Watt / Second
Hence, To calculate power, divide the amount of energy transferred by time.
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2) calculate the potential energy of a 5 kg object sitting on a 3 m ledge
3) a rock is at the top of a 20 meter tall hill, the rock has a mass of 10 kg. how much potential energy does it have?
A few sentences will do *3-4 sentences is perfect*
Answer:
This is because of the different latitudes and the movement of the stars.
Explanation:
Some constellations can be seen throughout the year and others only at certain times. In addition to the appearance of the night sky changing throughout the year, it also depends on latitude, that is, the appearance of the sky at the same time is different at different latitudes. For example, you can see the Polar star in the northern hemisphere but you cannot see it in the southern hemisphere. Cruzeiro do Sul, seen in the southern hemisphere, is only seen in the northern hemisphere, close to the horizon, in the tropical region.
Another important difference between the two hemispheres is in the movement we observe for the stars over the course of a night as they revolve around the north celestial pole (in the northern hemisphere) clockwise and around the south celestial pole (in the southern hemisphere) in anticlockwise.
B-All radios and televisions should be switched off
C-People should rush to the highest floor of their houses
D-All doors and windows should be kept open for easy exit.
Answer:
people should stay indoors and seek shelter
Explanation:
Answer:
the answer is a. People should stay indoors and seek shelter.
Given
velocityΔ v₁ = 6m/s
v₂ = 11m/s
Δ time = Δ t = 2s
sign / indicate as division.
acceleration a = Δv/ Δt
a = (v₂-v₁) / Δt
a = (11m/s -6m/s ) / 2s
a = (5m/s) / 2s
accerelation a = 2.5m