A hoop of radius 95mm and mass 100g is rotated via a capacitor driven power source with P(t)=1.61e-1.3tW. (since it is a hoop, it is a special case, and r=rG) Assuming the hoop is accelerated from rest, determine the rotational velocity after t=8.5s.  [rad.s-1] Determine the rotational speed of the hoop after t=8.5s if the power source acts to roll the particle from rest on a horizontal surface. [rad.s-1]

Please do it correctly

(Scale: 45 m @ 60° Northwest 18 m 24 m East 34 m North 2. A car is driven 220 km East and then 80 km @ 30° Northeast. What is the displacement of the car from the point of origin? (Scale: 1 cm = 20 km Use Tip-to-Tail Method) 1050 N act at the same point of an object and make West while the 250 N acts Force 10 N Southeast Scale

Solve this problem using this formula: £d1mv1+£mdt = £d2mv2

The star 18 Scorpii's mass is 2.0 x 103 kg, its radius is 7.0 x 105 km, and it has a rotational period of approximately 23 days. If 18 Scorpii should collapse into a white dwarf of radius 5.8 x 103 km, what would its period (in s) be if no mass were ejected and a sphere of uniform density can model 18 Scorpii both before and after? 4E-4 X S

Problem 5 For the rotational mechanical system shown in Figure 5, write, but do not solve, the equations of motion. 8₁(1) T(1) 0₂ (1) I N-m-s/rad 18 N-m-s/rad [I kg-m² 0000 9 N-m/rad Figure 5: Problem 5. kg-m2 0000 3 N-m/rad

y O, = 0, cos²0 + o, sin²0 + 2 Txy sin 0 cos 0 15.00 Tnt = -(0x - Oy) sin 0 cos 0 + txy( cos²0- sin?0) These equations may also be written as: Ox +Oy Ox- Oy On = cos 20 + Txy sin 20 2 + 12.00 2 130° Ox- Ov 10.00 Tnt = sin 20 + Txy cos 20 10.00 12.00 On Both the xyz and ntz coordinate systems are right-handed systems. 15.00 Tnt The z axis is directed toward the viewer. 1st 2nd 3rd Enter solved problems counter attempt 1