In the picture at left. the launch height is 10m ball b mass 5kg has a launch velocity of 12 m/s and ball a mass 8 kg has a launch velocity twice that determine the time in flight for both the range for each and explain why the difference is masses is not considered

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Which situation will produce the greatest change of momentum