<span>1. Turning on the light converts electrical energy to light energy. 2. The ball sitting on the floor has a potential energy [energy at rest], kicking the ball converts its potential energy to kinetic energy, which is energy in motion. 3. MP 3 player uses batteries which possess chemical energy, the chemical energy is converted to sound energy when the player was turned on. 4. When the fan was turned on, the electrical energy which powered the fan was converted to mechanical energy which makes the fan blades to rotate. 5. The candy bar possesses chemical energy which was converted to mechanical energy in the eater which make it possible for him to perform the mechanical work of dancing.</span>
<span>9.071 times 10 to the power 2 by 0.027 times 10^-1
2.44917 hope it helped
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Say the initial point is (0,0)
The final point is
x = 200 + 135*cos(30) = 200 + 135*sqrt(3)/2 = 316.91 ft
y = 135*sin(30) = 135/2 = 67.5 ft
Resultant vector = (316.91, 67.5) - (0,0) = 316.91, 67.5) ft
Answer:
Magnetic force, F = 0.24 N
Explanation:
It is given that,
Current flowing in the wire, I = 4 A
Length of the wire, L = 20 cm = 0.2 m
Magnetic field, B = 0.6 T
Angle between force and the magnetic field, θ = 30°. The magnetic force is given by :
F = 0.24 N
So, the force on the wire at an angle of 30° with respect to the field is 0.24 N. Hence, this is the required solution.
Answer D
In alkali earth metals reacrivity increases from top to bottom (opposite of b)
This is because as you go down, the electron shells increase by 1 shell. The farther away a shell is from the nucleus, the higher its tendency to react.
D is true because the more reactive an alkali metal is, the more vigorous the reaction will be with water.