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A d, c motor consumes 47.25MJ when connected to a 250 V supply for 1 hour 45 minutes. Determine the power rating of the motor and the current taken from the supply
A particle moves in a straight line with an initial
velocity of 30 m/s and constant acceleration 30 m/s2
.
(a) What is its displacement at t = 5 s? (b) What is its
velocity at this same time?
1. Use any strategy to teach compensation concept of 453+96 to a grade five class. Explain the process in full. State the purpose of teaching compensation in mathematics. (2)
2 The traditional way of teaching mathematics is to make learners memories concept. Student invented strategies is suggested in the teaching and learning of mathematics concept. In your view, do you think this new strategy will assist in the development of understanding of mathematics.
In recent years, especially around big cities, there is the problem of air pollution
and the likelihood of poisoning is high. Given this scenario, do you think that air is
free resource? Justify your answer.
According to Langmuir's theory of
adsorption, molecules adsorbing
from the adjacent phase:
Will inflation Peter out
Assess and determine how the Enlightment changed social ideas and practices on today’s modern society. How did Enlightment ideas influence society and culture, politics and government.
Substantiate this statement with a practical example of a principal who imposes a certain decision on teachers and does not consider their feelings & paint a scenario that prove that teachers can never just teach without thinking about or carrying out other issues related to teaching and learning.
the reaction of NH3 and O2 forms NO and water. the NO can be used to convert P4 to P4O6, forming N2 in the process. the P4O6 can be treated with water to form H3PO3, which forms PH3 and H3PO4 when heated. how many grams of NH3 are needed to produce 20.44 g of Ph3?
the concentration of an antibacterial component in a disinfectant solution was found to be 10.2% by mass, with a density of 1.05 g/mL. in 2.50 L of disinfectant solution, how many grams of the antibacterial compound are present?
#339914 on Dec 2023