- The formula for calculating the electrical resistance is presented in the form R=U/I U is the measured voltage in the circuit I is the magnitude of the electric current Indicate what type of ements each of them belongs to? R is square U is square I is square
- The formula for calculating the electrical resistance is presented in the form! R=U/I U is the measured voltage in the circuit,I is the magnitude of the electric current Indicate what type of measurements each of them belongs to? R is square U is square I is square
- What determines the format of the experimental value being studied (how many and what numbers should be left in the answer after its calcula cion), if direct measurements in the calculation formuls were multiplied? the final result is rounded at the choice of the experimenter It is enough to leave hundredthe in the answer from the least number of aignificant digite in values of all direct measu ements the format of the nt result is determined by the number of decimal places in direct meas urem ents
- 2. Net power is. a useful power that is transmitted from pump to liquid a power transmitted by the engine to the pump an energy of pumped liquid a power on the pump shaft
- A horizontal bar 1.5 metres long and of small cross-section rotates about vertical axis through one end. It accelerates uniformly from 1200 rpm to 1500 rpm in an interval of 5 seconds. i. What is the linear velocity at the beginning and end of the interval? (5 marks) ii.What are the normal and tangential components of the acceleration of the midpoint of the bar after 5 seconds (5 marks) iii.The torque which must be applied to the drum at starting (5 marks) iv. The power at the end of the acceleration period (5 marks)
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