friction always opposes ___________ motion​

Consider a train car being pulled along a track by the engine. What are four forces acting on the train car?

if 1.5kg block is pulled across a horizontal surface that has a coefficient of kintic friction of 0.60. if a block is pulled by a 12n force, what is the net force acting on the block

Which strategies maximize recovery following an intense bout of resistance training?


(Select all that apply.)




replenishing low blood sugar with carbohydratesreplenishing low blood sugar with carbohydrates , ,

stretching muscle groups, holding each stretch for 30 seconds or morestretching muscle groups, holding each stretch for 30 seconds or more , ,

allowing muscle groups 8–12 hours of rest before training againallowing muscle groups 8–12 hours of rest before training again , ,

drinking 20–24 ounces of water for every pound of body mass lostdrinking 20–24 ounces of water for every pound of body mass lost , ,

HELPPPP LOOK AT THE SCREENSHOT TO ANSWER THE QUESTIONS
17. Which object or objects are traveling at a constant velocity?

1. A
2. B
3. C
4. D
5. E

18. Which object is accelerating?

1. A
2. B
3. C
4. D

19. Which object or objects are sitting still?

1. A
2. B
3. C
4. D
5. E

20. On average, which object is traveling at the fastest velocity?

1. A
2. B
3. C
4. D
5. E

How many significant figures are in 107 moles of sodium

Katie kangaroo takes 0.25hours (15mins) to reach her friends house which is 7.5 miles away how fast was she hopping.