What is the formula P = FV.. V for calculating power? F is tension?
V is the velocity and is in the same line with the force
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- 1. As for the power formula & nbsp; P = wt & nbsp; and & nbsp; P = FV, the following statements are correct () A. From P = wt & nbsp; & nbsp;, as long as you know & nbsp; W & nbsp; and & nbsp; T & nbsp;, you can calculate the power at any time. B. from & nbsp; P = FV & nbsp;, you can only calculate the instantaneous power at a certain time. C. from & nbsp; P = FV & nbsp;, you can know that the power of a car is directly proportional to its speed. D. from & nbsp; P = FV & nbsp;, you can know that when the engine power of a car is constant, the traction force is inversely proportional to its speed
- 2. Is f in P = FV a resultant force? So why does P = f pull v when moving at a constant speed?
- 3. What is the unit of the physical formula P = FV
- 4. Junior high school physics formula: what does P = FV mean?
- 5. Explanation of physical P = FV When p is constant, f increases and V decreases. But when f = ma, f increases, a increases and V increases
- 6. P = m / V what other similar formulas (Physics) The formula P = m / V is defined by the ratio of m to v. there are similar formulas——————
- 7. What does the formula P = ρ GH mean? emergency
- 8. For the physical meaning of the formula ρ = MV, the correct one in the following description is () A. The density of a substance is directly proportional to its mass. The greater the mass is, the greater the density is. B. the density of a substance is inversely proportional to its volume. The smaller the volume is, the smaller the density is. C. the density of an object composed of the same substance is determined, and has nothing to do with its mass or volume. D. none of the above statements is true
- 9. What is the formula s = J 2 π f? What is its physical meaning?
- 10. What does the formula F = PS = ρ GHS mean? I'm confused about physics
- 11. Is v the speed of the object or the speed of the rope in the pulley?
- 12. The unit of V in the power formula P = FV
- 13. Which formula is f tension. N.H So what does n mean???
- 14. What's the formula of tensile force and elongation of physics grade one?
- 15. What do u and F in physics mean?
- 16. In the same plane, there are three parallel long straight wires with equal distance. 1, 2 and 3 have the same current of 1, 1 and 1 ampere respectively. Their forces are F1, F2 and F3 respectively
- 17. In the formula of Ampere force F = bil, why is it that B and I are not necessarily vertical, while f must be perpendicular to B and I
- 18. The relations and differences between the formulas e = BIV and F = bil, and their application scenarios
- 19. What is the relationship between B, I and F in F = bil formula? Is it vertical
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