The impulse experienced by a car (2,000 kg) is 4,000 kg m/s. what is the change in its momentum a. 8,000 kg m/s b. 2.0 kg m/s c. 4,000 kg m/s d. 0.50 kg m/s

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?