Power is energy per unit time. Therefore, D is the correct one
If the boat is floating, then it's just sitting there, and not accelerating
up or down. That means the vertical forces on it must be balanced.
So if its weight (acting downward) is 100 newtons, then the buoyant
force on it (acting upward) must also be 100 newtons.
Answer:
According to Ohm's law :
Where,
V is the potential difference or voltage.
I is the current flowing in a circuit.
R is the resistance.
The SI unit of potential difference is Volt. It is denoted as V.
The SI unit of current is Ampere. It is denoted as A.
The unit for resistance is :
It is equivalent to Ohm or .
Hence, the correct option is (a) " volt ÷ ampere ".
Answer:
W = -2080 J
Explanation:
initial position vector of the object is given as
similarly final position vector is given as
now the displacement of the object is given as
now we will have
now the force on the object is given as
so here in order to find the work done
Here it is the use of vector and conservation of momentum !
so,
√(16^2+21^2) ×1000= 3000 v
v =8.8 m/s
so answer is B !
if you have any doubt, you can ask ! just comment !