A. An electron with a velocity of 10^7 m/s enters a region of uniform magnetic flux density of 0.1 T. The angle between the direction of the field and the initial path of the electron being 25°. Find the axial distance
between two turns of the helical path

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 .