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- how much force would be needed to cause a 17kg • m/s in the momentum of an object, if the force acted for 5 secondsWhat is the momentum of a 1 kg mass that has fallen from rest for 2.1 seconds? Assume the acceleration of gravity is 9.8 m/s and give your answer in kg-m/s.It is generally a good idea to gain an understanding of the size of units. Consider each object and calculate the magnitude of their momentum in SI units. A ladybug with mass 32.90 milligrams flies by your head at 4.53 km/h. magnitude of the momentum: A 30.70 km boy walks at 4.27 km/h. magnitude of the momentum: A car with mass 997 kg is moving at a speed of 40.1 km/h. magnitude of the momentum: Based on the previous results, which scenario likely describes an object possessing 1 kg-m/s? a mosquito flying through a swamp a cat walking down a sidewalk a beetle walking across a jungle floor a tiger running after prey an elephant running across a field kg-m/s kg-m/s kg-m/s
- A 1000kg car traveling east at 30mi/hr collides with a 2000kg truck traveling west at 30 mi/hr. The two vehicles stick together. What is the veloicity of the wreck just after the collision?. An object is moving at 30 m/s and has a momentum of 150 kg*m/s. What is its mass?A body has a momentum of 80 kg m/s and a kinetic energy of 275 J. Determine the mass of the body.
- this is a multi step problem but I am just having trouble with this part of the problem. Here are the values that I correctly calculated: mass of particle 1=6 kg initial velocity for particle 1= 185i+138j final velocity for particle 1= -68.89i+-50.67j F21=-15.9e-t/96i+-100sin(2πt/96)j I am trying to find: What is the x displacement for particle 1? I think that I need to use Newtons second law to get an expression for acceleration, and then integrate but I am not getting the right answers.If a 5.6kg object reaches a momentum of 42kg m/s, the ball is moving at a rate of ____________.An object has a kinetic energy of 312 J and a momentum of magnitude 29.3 kg · m/s. (a) Find the speed of the object. _____m/s (b) Find the mass of the object. ______kg
- The answer I have is 0 kg m/s, not 24 kg m/s. I was just not sure how to calculate to get 0 kh m/s. Can you recheck the problem to see if it was done correctly? Thanks.In this problem we will observe how the momentum of an electron changes as its velocity approaches the speed of light. The mass of an electron is 9.109 × 10-31 kg Part (a) First, what is the momentum of an electron which is moving at the speed of a car on a highway, say 31 m/s, in kilogram meters per second? Part (b) What is the momentum of an electron moving at 18 % of the speed of light, in kilogram meters per second? Part (c) What is the momentum of an electron moving at 81 % of the speed of light, in kilogram meters per second? Part (d) What is the non-relativistic momentum of an electron moving at this speed (81 % of the speed of light), in kilogram meters per second? Part (e) When the electron is moving at 81 % of the speed of light, how many times greater is the relativistic momentum than the non-relativisticFind the mathematical relationship between momentum (mv) and kinetic energy (1/2 mv2).