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Physics - detailed homework solutions
Physics
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1 hour ago
2 answers
What is the percentage by mass of water in the compoud FeCl3 .6H20 ?
Physics
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1 hour ago
1 answer
Which of the following statements is incorrect? Displacement is independent of the choice of origin of the axis Displacement may or may not be equal to the distance travelled When a particle returns to its starting point, its displacement is not zero Displacement does not tell the nature of the actual motion of a particle between the point...
Physics
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1 hour ago
1 answer
if i hold onto someone and they also hold onto me and we lift each other up what would happend we would have enough strength to lift each other...
Physics
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1 hour ago
2 answers
A train stops at two stations s distance apart and takes time t on the journey from one to another. Its motion is first of uniform acceleration a and then immediately of uniform retardation b, then...
Physics
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1 hour ago
1 answer
Which of the following statements is incorrect? Path length is a scalar quantity whereas displacement is a vector quantity The magnitude of displacement is always equal to the path length traversed by an object over a given time interval The displacement depends only on the end points whereas path length depends on the actual path followed The path length is always positive whereas...
Physics
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1 hour ago
2 answers
A ball X of mass 1 kg travelling at 5 m/s has a head-on collision with an identical ball Y at rest. Ball X stops and ball Y moves off. Calculate the velocity of ball Y after the collision.
Physics
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1 hour ago
1 answer
Tony Stark is inside his Iron Man suit and standing on a frictionless surface. His combined weight with his suit is 150 kg. He suddenly jumps out of his suit at 2 m/s. If his own mass is 85 kg, at what velocity will his Iron Man suit move when he jumps forward?
Physics
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1 hour ago
2 answers
what is meant by acceleration?
Physics
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1 hour ago
1 answer
1 A rectangular block of metal of density 8000 kg/m3 measures 2cm by 3 cm by 10 cm. What is the mass of the block? 4.8 kg 48 kg 48 g 0.48 kg 2 Which of the following will exert the greatest pressure when standing on the ground? ballerina: Weight 450 N, on one point, area 0.0015 m2 atmospheric pressure: 105 Pa man: weight 800 N, area of one foot 0.025 m2 an elephant: weight 50,000 N,...
Physics
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1 hour ago
2 answers
so if i am laying on a sofa and push the side with my legs will the sofa move...
Physics
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1 hour ago
2 answers
Motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 metre per second for 8.0 second of a does the boat travel during this time.
Physics
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1 hour ago
1 answer
Copper sulphate can colour a large volume of water 9th class...
Physics
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1 hour ago
1 answer
Which of the following are axial vectors * 1 point Momentum moment of momentum impulse torque...
Physics
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1 hour ago
1 answer
M1L-3 is dimensional formula for...
Physics
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1 hour ago
2 answers
The friction caused due to fluids such as water and air is known as...............
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