Questions

Please see the attached files for full problem description. (Note weight is pounds force not pounds mass) Given that, Maximum Allowable impulsive force = 0.8 lb. Sec, and asked you to calculate what’ s the max velocity that can be achieved through this force

Find gravity field of a planet and orbital speed of a spacecraft at a known height above it.

A cloud of dust in space originally occupies volume V= 3.5 x 10^26 m^3 whose average density D= .0085 kg/m^3. Over many billions of years it contracts to form a uniform spherical planet with radius r=5.5 x 10^6 m. Part a. Find the gravity field, g, at the surface of the planet. Part b. Find the orbital speed v, of a spacecr ...continues

Non linear thin rod. Using calculus, find its center of mass.

A thin non-uniform rod is 4 meters in length and has a linear density D, (mass per unit length), in kg/m, which is expressed by D= 3 + 5 x in which x is the distance in meters from the zero end of the rod. Find the x coordinate of the center of mass of the rod.

A mass falls and compresses a spring. Apply conservation of energy.

Mass M= 1.6 kg, released from rest, falls a distance h= 2.5 m then contacts a relaxed spring with unknown force constant k. The spring brings the mass to rest in compressing distance b= .52 m. Find the force constant of the spring.

Motion in two dimensions

I have been struggling with this problem for two days. I tried to apply the basic kinematic equations to the problem but couldn't figure it out

impact restitution velocity

please see attachments answers given: vel a = 3.04 ft. / sec. left; b vel = 1.013 ft. / sec. left; vel. c = .45 ft. / sec. left

Sphere striking sphere

Please see attachments ans. Va = 1.7 m/sec. right; Vb = 3.3 m/sec. right. please address 165 specifically

block strikes ball, energy and momentum methods

for ota 102509; 103606; 103642; 103846. Please see attachments

2 cars on flat car, systems of particles; work

for ota 102509; 103606; 103642; 103846. Ans. 14.1 .265 m/ sec. Ans. 14.31 5320 joules. Please see attachments

Systems of particles, 2 spheres collision

for ota 102509 103606; 103846; 103642. please see attachments. Answers: A) 8 ft./ sec. right; B) 36.6 degrees; V c = 10.39 ft/sec; Vd = 8.72ft. sec;