What is the distance from Langhorne to Newtown if the car is traveling 35 m/s up R+.413 for 0.12 seconds? (THINK ABOUT WHAT YOU ARE SOLVING FOR) HELP M THIS IS DUE​

The speed of light can be used to measure the

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 •  

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates