the theoretical value of the time constant is 25s. Compare the theoretical and experimental (what you found from the graphs) values of the time constant.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Why does lightning travel from clouds to the ground?