Aparachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 58.8 m/s in 6.00 seconds. she then pulls the parachute cord and after a 4.00-second constant deceleration, descends at 10.0 m/s for 60.0 seconds, reaching the ground. from what height did the parachutist jump?

914m

Explanation:

We must divide the parachutist motion into three parts:

First we have free fall motion:

Then, we have a uniformly accelerated motion. The initial speed is this part will be the same final speed as the previous part.

Finally, we have a uniform linear motion:

The total heigh will be the sum of all heights:

1 the 4 is sig

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards