The forearm has a total mass of 1.7kg. What is the moment, about the elbow joint, of the weight of the forearm

Energy flows from the producer level to the level. is called

Which levels of government establish and implement educational requirements for minors

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?