A 4280 ki car is moving at 40km/hr. What is it's momentum?
How do I answer and how do I solve the problem.
2007-02-04 03:56:52 · 3 answers · asked by I<3Twilight 2 in Science & Mathematics ➔ Physics
You see, Tyler, momentum is a physical quantity which was defined by Newton as 'the product of mass & velocity'. So, in order to solve this problem, you need to do nothing special -----
just multiply the given values of the car's mass & its velocity.
So, momentum of the car in the question = (Its mass) X (Its velocity) = (4280 kg) X (40 km / hr) = 171,200 kg km/hr.
In order to express the answer in S.I. units, you need to convert the two given parameters into their respective units first, & then multiply them. So simple, is'nt it !
So, momentum in S.I. units = (4280 kg) X (11.11 m/s)
= 47,555.555 kg m/s.
2007-02-04 04:29:37 · answer #1 · answered by Kristada 2 · 0⤊ 0⤋
p = mv
p is the momentum
m is the mass
v the velocity
4280 kg * 40 km/hr = 171,200 kg/km/hr
2007-02-04 12:05:18 · answer #2 · answered by riobob00 3 · 0⤊ 0⤋
momentum : p = mv
might have to convert units but that's the formula.
2007-02-04 12:00:14 · answer #3 · answered by quatsch 2 · 0⤊ 0⤋