Question

The equation for momentum is p = mv, where p is momentum, m is mass, and v
is velocity. The units for momentum are kg•m/s.

a. What is the momentum of an object that has a mass of 2 kg and a velocity of
14 m/s? (2 points)

b. What is the mass of an object that has a momentum of 35 kg•m/s and a
velocity of 3 m/s? (2 points)

Answer 1

Answer:

p = mv, where p is momentum, m is mass, and v is velocity.

a. ) m = 12kg v = 14m/s

Momentum (p) = mv

= 12kg × 14m/s

= 168kg•m/s

b.) momentum (p) = 35 kg•m/s

velocity = 3m/s

p = mv

make m the subject

divide both sides by v

we get

m = p/v

Therefore m is

m = 35 kg•m/s / 3m/s

m = 11.67kg

Therefore the mass of the object is 11.67kg

Hope this helps