The unit of momentum is
Select one:
a. J/s
b. N/s
c. kgm/s
d. Nms​

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .

What happens when the number of protons in an atom changes

What are the examples for scaler quantities