Aswimmer wants to swim straight across a river with current flowing at a speed of v1 = 0.32 km/h. if the swimmer swims in still water with speed v2 = 0.85 km/h, at what angle θ should the swimmer point upstream from the shore and at what speed v will the swimmer swim across the river?

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig