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Mathematical Methods in the Physical Sciences
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- Find the increase rate of the scalar V at point P from origin to the point P(12, 1,11) where V= 3,7xy+11,1 xyz.arrow_forwardThe three components of the derivative of the vector-valued function u are positive at t = t0. Describe the behavior of u at t = t0.arrow_forwardFind the outward flux of F = (4x + 25y²,0. 10z through the surface 3 = 1. 25 4arrow_forward
- A seasoned parachutist went for a skydiving trip where he performed freefall before deploying the parachute. According to Newton's Second Law of Motion, there are two forcës acting on the body of the parachutist, the forces of gravity (F,) and drag force due to air resistance (Fa) as shown in Figure 1. Fa = -cv ITM EUTM FUTM * UTM TM Fg= -mg x(t) UTM UT UTM /IM LTM UTM UTM TUIM UTM F UT GROUND Figure 1: Force acting on body of free-fall where x(t) is the position of the parachutist from the ground at given time, t is the time of fall calculated from the start of jump, m is the parachutist's mass, g is the gravitational acceleration, v is the velocity of the fall and c is the drag coefficient. The equation for the velocity and the position is given by the equations below: EUTM PUT v(t) = mg -et/m – 1) (Eq. 1.1) x(t) = x(0) – Where x(0) = 3200 m, m = 79.8 kg, g = 9.81m/s² and c = 6.6 kg/s. It was established that the critical position to deploy the parachutes is at 762 m from the ground…arrow_forwardcalculate the gradient field of the equation attached. But use math convention for the sign of gradient potentialarrow_forwardFind the direction in which the maximum rate of change occurs for the function f(x, y) = 4x sin(xy) at the point (3,5). Give your answer as a unit vector.arrow_forward
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