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an effort of 250N is applied to a pulley system consisting of two fixed and two movable pulleys to lift a load to a height of
5 answers
asked by
Charles
633 views
(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What
4 answers
asked by
Daniel
1,169 views
Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as
5 answers
asked by
Jimmy
6,359 views
an engine was used to lift up a load of 200kg to a platform 40m high in 20sec. calculate the power out put by the engine (take g
3 answers
asked by
afeez
485 views
A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of
4 answers
asked by
dee
859 views
A motorist traveling at 18 m/s encounters a deer in the road 42m ahead.
If the maximum acceleration the vehicle's brakes are
4 answers
asked by
luma
6,163 views
A dry water well is 1.5 m in radius and 5.0 m deep.
In order from lowest to highest, the fifth resonant frequency of this well is
1 answer
asked by
sammy
367 views
The range of human hearing is roughly from twenty hertz to twenty kilohertz. Based on these limits and a value of 343 m/s for
2 answers
asked by
Anonymous
873 views
if someone dropped a 2.13 kg cannon ball from the 57.3 m tower of pisa, how much did gravity do on the ball
1 answer
asked by
mini
306 views
in the statement gravity is 9.81 M/S2 what does 9.81 m/s mean?
1 answer
asked by
DEEK
431 views
to DRWLS thanks for the help DEEK./
1 answer
asked by
DEEK
338 views
The magnitudes of the four displacement vectors shown in the drawing are A = 13.0 m, B = 11.0 m, C = 12.0 m, and D = 27.0 m.
2 answers
asked by
Natasha
858 views
A parallel plate condenser with oil between the plates( dielectric const. of oil K=2) has a capacitance C . if the oil is
3 answers
asked by
its urgent!!!!!!!!
522 views
A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the
2 answers
asked by
hankash
656 views
a cube of wood floating in water support 1 kg mass resting on the center of its top surface. when the mass is removed the cube
2 answers
asked by
subhash shah
510 views
A ball of mass 80kg falls from rest from a height of 100m.neglecting air resistance, calculate it K.E after falling a distance
2 answers
asked by
john
469 views
Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as
3 answers
asked by
Jimmy
850 views
Search: 2. Explain how radioactive decay has always warmed the Earth from the inside, and nuclear fusion has always warmed Earth
1 answer
asked by
barbara
426 views
A man weighs 750 N on the surface of the earth. What would be his weight when standing on the moon? The masses of the
earth and
4 answers
asked by
hart
1,485 views
a accelerates steadily so that it goes from a velocity of 20m/s to a velocity of 40m/s in 4 seconds.what is its acceleration?
2 answers
asked by
q1
595 views
A lorry is travelling at 60 km/hr when the brakes are applied. Assuming that the deceleration is uniformly at 2m/hr, how far has
1 answer
asked by
Blessing
786 views
. Two similar blocks of iron and wood, are immersed in water. Will they have same upthrust?
1 answer
asked by
bennet
335 views
A ball of mass 8kg falls from rest from a height of 100m. Neglecting air resistance,calculate it's total energy after falling a
2 answers
asked by
Anonymous
512 views
a solid weighs 0.040N in air and 0.025N when fully immersed in a liquid of density 800kg/mcube calculate the volume of the solid
2 answers
asked by
Braimah hailmary
150 views
A girl of 10kg sit on a chair for 20 mins. Determine his weight?
1 answer
asked by
Anonymous
149 views
An elastic extend by 0.1cm,when adepimpe load of 20g hang on it,what a additional would be require to force a further extention
2 answers
asked by
Adepimpe
196 views