Select all that apply. a concave lens converges light bulges in the middle diverges light is thinner in the middle

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

What occurs during a combustion reaction

Does anyone have the answers to online physics course plato course physics, semester a v3.0