If the position vector of the particle is given by r=3t^2+5tj^2+4k Find: (a). The velocity of the particle at t = 3 s (b). Speed of the particle
at t = 3 s (C). acceleration of the particle at time t = 3 s​

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope. describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

Apossible explanation for a set of facts that can be tested by further investigation is called

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate