Kaia

A 1.0 kg rock is thrown straight upward with an initial speed of 8.0 m/s. What is its speed when it reaches a height of 1.6 m?

A car of mass M, traveling at speed v collides head-on with a truck of mass 2M & traveling in the opposite direction at the same speed. Both vehicles lock together and come to a stop. Which, if either, has the most momentum upon impact? Which, if either,...

A car with a mass M traveling to the East at speed v collides head-on with a truck of mass 2M, traveling to the west at speed v. If they stick and move together upon colliding, what is the initial velocity of the wreckage after the collision?

Find csc θ if tan θ = 5 /12 and sin θ > 0

This was a hard one bc the texts were vague 1e. 2c. 3a. 4e. 5e.