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Physics
If 150cm
3
150cm3 of steam at 100
∘
C
100∘C is added to 250cm
3
250cm3 water at 40
∘
C
40∘C, how much steam(in cm
3
cm3) is condensed into water at 100
∘
C
100∘C?
f 150cm3 of steam at 100∘C is added to 250cm3 water at 40∘C, how much steam(in cm3) is condensed into water at 100∘C?
. A flywheel used for storing energy consists of a uniform disk of mass 1.5x105
kg and radius 2.2 m that
rotates at 3000 rev/min about its center of mass Find its kinetic energy.
kg and radius 2.2 m that
rotates at 3000 rev/min about its center of mass Find its kinetic energy.
Physics
1 degree in kelvin
Physics
Towards the end of a 400m race, Faisal and Edward are leading and are both running at
6m/s. While Faisal is 72m from the finish line Edward is 100m from the finish line.
Realising this and to beat Faisal, Edward decides to accelerate uniformly at 0.2 m/s2
until
the end of the race while Faisal keeps on the same constant speed. Does Edward succeed in
beating Faisal?
6m/s. While Faisal is 72m from the finish line Edward is 100m from the finish line.
Realising this and to beat Faisal, Edward decides to accelerate uniformly at 0.2 m/s2
until
the end of the race while Faisal keeps on the same constant speed. Does Edward succeed in
beating Faisal?
Cars moves under constant acceleration covers the distance between 2 points 50m .apart in 5s.its speed as it passes the second point is 15ms^-1(a)velocity at 1st point (b) acceleration
Physics
A 54g copper calorimeter contains 80cm3 at 20∘C. A very cold 110g copper cylindrical sample is dropped into the water causing the water to partially freeze, with 5cm3 being converted to ice. The final temperature of the system is 0∘C. What is the initial temperature in Kelvins of the cylindrical sample
Physics
body starts its motion from rest and moves at uniform acceleration if its average velocity at time (t) was 10m/s , then its average velocity at time (2t) will be
Physics
The wind displacement force F = 180 N acts on the sailing ship, and the water resistance force f = 160 N, which impedes its movement. (figure 4.22). Calculate the mass of the ship, knowing that along the way 120 m its speed increased from 1.5 m / s to 2.8 m / s.
Physics
What acceleration will give the man with mass m = 75 kg, force F = 150N, when the angle it forms with the horizontal direction is 35º. It is known that cos 35º = 0.82. Other forces acting on the human feet in the horizontal direction, do not take them into account.
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#340153 on Dec 2023
#340153 on Dec 2023