The formula of average velocity of variable speed motion is v=_____ =_______

RELATED INFORMATIONS

• 1. What is the formula for calculating the average velocity in uniform variable velocity motion?
• 2. Physical acceleration and uniform motion formula It's better to have all of them! I'm waiting to use them! ^ - ^ Thanks for procrastination! The more complete the better! Thank you!
• 3. Second grade physics variable speed linear motion, when the distance is different, time is different, the average speed formula and detailed explanation, the best example
• 4. Derivation of formula for the composition of physical forces
• 5. When two forces F1 and F2 act on the same object, the resultant force is F. the angle between F1 and F2 is r F²=F1²+F2²+2×F1×F2×cosr
• 6. A formula for the composition of forces If F1 and F2 are on the same straight line and in opposite directions, then f = | F1-F2 |, if the directions are the same, then f = F1 + F2. If the directions of the two forces are not the same, but the action points are the same, then f = | F1-F2 |?
• 7. Impact and impact force (physical formula) 1) When an object is pulled by a continuous 5kg force, it will accelerate from the static state and stop after hitting a wall The friction on the ground is constant The initial velocity is 0 and the acceleration distance is 0.75m. I want to calculate the velocity at the moment of impact on the wall Thank you. Please give me a formula. I can calculate it later 2) . iron block: 15kg, 50cm from the ground, free fall, impact force to the ground? Thank you. Please list the formula for me
• 8. All the formulas of force in the first volume of ninth grade physics
• 9. What is angular velocity equal to? It's a formula about time t
• 10. Help me to explain the formula. I'll give it to you if I don't finish explaining it
• 11. The formula of uniform variable speed linear motion
• 12. High school physics uniform speed linear motion formula to the most complete, including variable form complete plus 30 points
• 13. How to judge which physical formula to use in the research of uniform velocity linear motion?
• 14. The relationship between the velocity and displacement of the uniform velocity linear motion. Formula: v2 I'm a freshman in high school, so try to answer in detail. It's better to have some symbols to explain
• 15. The relationship between speed and time of uniform speed change linear motion The object starts to move in a straight line with uniform acceleration of 1 m / S ^ 2 from its rest. After 4 seconds, the acceleration becomes 0.5 m / S ^ 2, and the direction is still the same as the original. Please make its V-T image within 8 seconds Note: it's best to make an image. If it's not convenient, you can describe how to do the following and the relevant quantity in specific language
• 16. What is the number of 1.123456789 ^ 22? 2. Prove that 3 ^ 2000 + 4 ^ 2001 is a multiple of 5? What are the single digits of 3.77 ^ 66-33 ^ 22? 4.1 divided by 14, what is the number 1001 after the decimal point? What is the 1003rd digit after the decimal point of the quotient of 5.2 divided by 7? What is the sum of these 2003 digits? (can write a few collective questions!) quick
• 17. The weight ratio of grain stored in warehouse A and warehouse B is 8:7. If 14 tons of grain are transported out of warehouse A and 8 tons are transported in warehouse B, then the grain stored in warehouse B is 15 tons more than that in warehouse A, and how many tons of grain was stored in warehouse a?
• 18. A, B and C make 940 parts at the same time. A makes one in 5 minutes, 1 / 4 more than B. C makes two / 5 less than B. how many parts do a, B and C make?
• 19. The sum of a and B is 8 and 2 / 5, and the difference is 7 and 3 / 5. These two numbers are (), ()
• 20. The ratio of a, B and C is 3:8:5, B is 20, a is (), C is ()