Question

how is the answer A?​

Answer 1

Explanation:

The object's weight on Earth is 5.0 N, so its mass is:

F = ma

5.0 N = m (10 m/s²)

m = 0.50 kg

The acceleration on the moon is g/6 = (10 m/s²) / 6 = 1.67 m/s².

The velocity it reaches after 3.0 seconds is:

v = at + v₀

v = (1.67 m/s²) (3.0 s) + (0 m/s)

v = 5 m/s

So the momentum is:

p = mv

p = (0.50 kg) (5 m/s)

p = 2.50 kg m/s

Answer 2

Answer:

A

Explanation:

W = mg

5 = 10m

m = 0.5kg

Dropped from rest,

u = 0

a = 10/6

t = 3

v = u + at

v = 0 + (10/6)3 = 5 m/s

Momentum = mv

= 0.5×5

= 2.5 kgm/s