A car, initially traveling 10m/s, gains speed at a rate of 2m/s2 while traveling 56m. Find how long the car was traveling and the car’s final velocity. Please show work very confused

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a. sample absorbance at 315nm a 0.45 b 0.80