Physics, 04.08.2019 09:30 gymnastics255
An impulse of 150 n s is required to stop a person's head in a car collision. if the face is in contact with the steering wheel for 0.0307 s, what is the average force on the cheekbone? answer in units of n.
Answers: 1
Physics, 22.06.2019 16:30
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?
Answers: 1
Physics, 22.06.2019 19:00
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Physics, 22.06.2019 20:00
Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?
Answers: 3
An impulse of 150 n s is required to stop a person's head in a car collision. if the face is in cont...
Mathematics, 20.12.2020 06:10
History, 20.12.2020 06:10
Biology, 20.12.2020 06:10
Computers and Technology, 20.12.2020 06:10
English, 20.12.2020 06:10
History, 20.12.2020 06:10
Health, 20.12.2020 06:10
Mathematics, 20.12.2020 06:10
Biology, 20.12.2020 06:10
Mathematics, 20.12.2020 06:20
Social Studies, 20.12.2020 06:20
Chemistry, 20.12.2020 06:20
Arts, 20.12.2020 06:20