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Posts by Chika

Total # Posts: 7

Physics
Santa Claus (mass = 150 kg) is leaning his sled(mass = 50 kg, length = 6 m) at an angle of 72° against the wall of the house to enter from the roof the living room. Considering a coefficient of friction of 0.29 between the ground and the sled and no friction between the ...

Further mathematics
I have no idea of the answer or how to solve it,please teach me

Physics
Hi, here's a problem that I have difficulty with to solve. Block M2, w/c has a 20 kg mass, is on a frictionless table and it is firmly attached to one end of a spring with k = 2.5 N/m. The other end of the spring is anchored to the wall. Another block, M1 (and of the same ...

Physics
Hi, here's a problem that I have difficulty with to solve. Block M2, w/c has a 20 kg mass, is on a frictionless table and it is firmly attached to one end of a spring with k = 2.5 N/m. The other end of the spring is anchored to the wall. Another block, M1 (and of the same ...

physics
An object of mass 10.0 kg is released from the top of an inclined plane which makes an angle of inclination of 30 degrees with the horizontal. The object slides along the inclined plane. The questions refer to the instant when the object has traveled through a distance of 2.00...

physics
true or false 1. The work required to stretch a spring changes linearly with the amount of strech? 2. The kinetic energy of an object increases linearly as the velocity of the object increases? 3. Kinetic energy is proportional to speed? 4. Kinetic energy is proportional to ...

fluid mechanics
I have got differential pressure from an inclined manometer to be 2.8kPa and density of the fluid is 784kg/m^3. I need to calculate the manometer datum height. how do i do tht?? i already did it using formula pressure=density*g*h but i want ans to be 0.165 meters which i dnt ...

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