if a balloon filled with helium weighs 21.6 kg, knowing that helium's density is 0.18 kg/m3 then what is its volume?

You are riding in an elevator on the way to the eighteenthfloor of your dormitory. The elevator is accelerating upwardwith a = 1.90 m/s2. Beside you is the boxcontaining your new computer; box and contents have a total mass28.0 kg.

Which planet is closest to earth in diameter mass and strength of gravity?

If a 100-N net force acts on a 50-kg car, what will the acceleration of the car be?

Why does straightening the curve not change the equation that represents the graph

Can an object be accelerated without speeding up or slowing down explain by examples

Why was the inclusion of sketches in his notes important to Galileo's studies

7. If your accelerator suddenly gets stuck what should you do?

When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?

Which best explains why the acoustics underwater affect the Doppler effect? Sound waves can not transfer energy through water. Sound waves can not travel through water. The speed of sound is less in water than in air.

What is the part of the cell that stores food?