Answer: 20580 Joules of work is done by the firefighter.
Explanation:
Work done is defined as the force times distance travelled.
work=
Given:
mass= 75 kg
acceleration due to gravity =
h= height = 28 m
Putting in the values we get,
work=
Thus 20580 Joules of work is done by the firefighter.
Answer
Given,
Current, I = 14.6 A
magnetic force per unit length = 0.119 N/m
Magnitude of magnetic field = B = ?
a) F = ILB sin θ
θ = 90°
So,
b) The direction of magnetic field is in +z direction.
No correlation because it is neither positive or negative. The dots are scattered so that would be no correlation.
A Body Held Completely Immersed Inside a Liquid Experiences Two Forces: (I) F1, the Force Due to Gravity and (Ii) F2, the Buoyant Force.
Its bituminous coal good luck :;;;;;;)