You are unable to lift an object.
The Weight makes the object difficult to lift.
<h3>How can we state the above statement?</h3>
To calculate weight, we know from the formula that,
W=mg
Here in the formula,
w= the weight of the object.
m= mass of the object.
g= the acceleration due to gravity.
Also this is defined as force which acting on a object due to gravity. This kind of force usually it acts downwards.
This type of force has to overcome for it to be lifted up by individuals which is why Weight makes the object difficult to lift.
Now from the above discussion we can easily state that, The Weight is the property that makes the object difficult to lift.
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Answer:
4.988kW
Explanation:
According to the question, energy E extracted from the ocean breaker is directly proportional to the intensity I. It can be expressed mathematically as E ∝ I
E = kI where k is the constant of proportionality.
From the formula; k = E/I
This shows that increase in energy extracted will lead to increase in its intensity and vice versa.
If the device produces 10.0 kW of power on a day when the breakers are 1.20 m high
E = 10kW and I = 1.20m
k = 10/1.20
k = 8.33kW/m
To know how much energy E that will be produced when they are 0.600 m high, we will use the same formula
k = E/I where;
k = 8.33kW/m
I = 0.600m
E = kI
E = 8.33 × 0.6
E = 4.998kW
The device will produce energy of 4.998kW when they are 0.600m high.
it is no longer and electromagnetic wave.
Answer:
Explanation:
Here we want to find the external resistance of the circuit.
First of all, the terminal voltage of a battery is given by:
where
is the emf
I is the current
r is the internal resistance
According to Ohm's law, when the battery is connected to the external resistance, the voltage on the battery is equal to the voltage drop on the resistor, which is:
where
R is the resistance of the external resistor
Combining the two equations,
Here we have:
is the emf of this battery
is the internal resistance
I = 2 A is the current in the circuit
Solving for R, we find: