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saima
Questions and answers by visitors named
saima
Questions (29)
i have to make a project on safer construction practises for flood help me but want only 10 questions on this topic
1 answer
405 views
i want to make an project on safer construction practises for tsunami only want 10questions on this topic
3 answers
330 views
what are the three consecutive whole numbers whose sum is 48?
1 answer
280 views
3-12/3-2-8/15
1 answer
233 views
a baseball is thrown at 30ms^-1. the batter hits it and gives it a velcoity of 40ms^-1 in the opposite direction. if the ball
2 answers
811 views
An insect walks 50 cm in a straight line along a wall. if its horizontal displacement is 25 cm,?
calculate its vertical
3 answers
676 views
A man walks 5 m at 37 degree north of east then 10 m at 60 degree west of north.?
calculate the magnitude and direction of his
7 answers
5,383 views
Three vectors are specified as A is 5 m at 45o north of east, B is 7 m at 60o east of south, and C is 4 m at 30o west to
2 answers
535 views
a ship sails from a point at a distance of 4 km and a bearing of 40 degree noth of east relative to a lighthouse to a point 6 km
1 answer
493 views
Determine the x and y components of the following vectors?
a) P of length 5 m directed at 150 degree counter clockwise from the
1 answer
415 views
An object is thrown up from the top of building 50 m high. it rises to a maximum height of 20 m above the roof.?
a) when does it
2 answers
705 views
a car is traveling 25 ns^-1 around a level curve of radius 120 m. what is the minimum value of the coefficient of static
1 answer
413 views
A man walks 5 m at 37 degree north of east then 10 m at 60 degree west of north.?
calculate the magnitude and direction of his
3 answers
821 views
Three vectors are specified as A is 5 m at 45o north of east, B is 7 m at 60o east of south, and C is 4 m at 30o west to south.
4 answers
1,946 views
A 10kg mass and a 2.0kg mass are connected by a light string over a massless, frictionless pulley. if g=9.8ms^-2, what is the
1 answer
1,147 views
a girl is using a rope to pull a box that weighs 300N across a level surface with constant velocity. the rope makes an angle of
7 answers
8,912 views
A rifle with weight of 30N fires a 5.0g bullet with a speed of 300ms^-1.
a) Find the recoil speed of the rifle. b) if a700N man
5 answers
6,761 views
A rocket with mass of 60,000 kg is placed on a launching platform verticlly. its engine is started and the rocket gives out gas
2 answers
499 views
An object A, of mass 1 kg that is moving at a velocity of 6ms^-1 collides with a stationary object of mass 3kg. after the
2 answers
609 views
a missile guidance system has five fail-safe components. the probability of each failing is 0.05. find these probabilities.
a)
4 answers
2,196 views
Driving to work alone. It is reported that 77% of workers aged 16 and over drive to work alone. Choose 8 workers at random. Find
3 answers
3,896 views
College Education and Business world success R. H. Bruskin Associates Market Research found that 40% of American do not think
1 answer
713 views
sodium cyanide nacn, contains how many single, double or triple bond?
2 answers
558 views
which of the following have a covalent bond? AlCl3, NH3, H3O, H2O
1 answer
415 views
Which of the following pairs of compounds has the same molecular shapes?
a) AlCl3 and BF3 b) AlCl3 and PCl3 c) BF3 and NF3 d) CO2
4 answers
1,278 views
Give the shapes of CH3, O3, SnCl3, BrF3, I3
1 answer
349 views
what hybrid orbitals would be expected for the central atom for the followings
a) BrF5 b) BeCl2 c) CH3Cl
1 answer
429 views
In a particular phase modulation system, each symbol is able to represent 6 bits. What sort of PSK is being used
plain PSK QPSK
1 answer
458 views
What is the sum to 5 terms of the geometric progression whose first term is 54 and fourth term is 2?
3 answers
279 views
Answers (1)
sorry i don't no,,,,
