Avertically mounted spring (k = 800 n/m) is compressed by 17.0 cm relative to its unstrained length. a mass (m = 0.32 kg) is placed at rest against the spring. when the spring is released, the mass is launched vertically in the air. how high from release point the mass can reach?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?

Which of these activities increases the amount of carbon in the atmosphere?