Physics, 25.01.2022 04:30 jorgefrom584
A child jumps from a moving sled with a speed of 2.5 m/s and in the direction opposite the sled’s motion. The sled continues to move in the forward direction, but with a new speed of 6.3 m/s. If the child has a mass of 38 kg and the sled has a mass 63 kg, what is the initial velocity of the sled?
Answers: 1
Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 1
A child jumps from a moving sled with a speed of 2.5 m/s and in the direction opposite the sled’s mo...
Mathematics, 30.07.2019 11:00
Chemistry, 30.07.2019 11:00
Chemistry, 30.07.2019 11:00
English, 30.07.2019 11:00
Geography, 30.07.2019 11:00
English, 30.07.2019 11:00
Mathematics, 30.07.2019 11:00
Mathematics, 30.07.2019 11:00