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Q1. At a construction site, a 22 {rm kg} bucket of concrete is connected over an extremely light frictionless pulley to a 375 {rm N} box on the roof of a building. There is no appreciable friction on the box, as it is on roller bearings. The box starts from rest. Find out the acceleration of the bucket.
Q2. A hollow aluminium cylinder 20 cm deep has an internal capacity of 2.000 L at 20.00C. It is completely filled with turpentine and then warmed to 80.00C. (i) How much turpentine overflows? (ii) If it is then cooled back to 20.00 C, how far below the surface of cylinder's rim is the turpentine surface?
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0612 of the original volume and the pressure that is 46 times the original pressure. What is the temperature of the air after the compression.
A 12 kg box slides 4.0 {rm m} down the frictionless ramp, and then collides with a spring whose spring constant is 240 N/m.
What is frequency of the fork
illustrate a diagram to show the forces acting on the aircraft while it is flying in a horizontal circle with its wing banked at an angle to horizontal.
Determine magnitude of the force
A projectile is launched from the top of a cliff above level ground. At launch the projectile is 35 meters above the base of the cliff and has the velocity of 50 meters per second at an angle 37° with horizontal. Air resistance is negligible.
A Federation star ship (2.0×10^6 kg) uses its tractor beam to pull a shuttlecraft (2.0×10^4 kg) aboard from a distance of 10.0 km away. The tractor beam exerts the constant force of 2.50 X 10^4N on the shuttlecraft. Both spacecraft are initially a..
This magnetic field accelerates the electron in a circular motion. What is radius of the circle. The final situation is observed to be all water at 18°C. What was the mass of the ice cube.
Explain functionalism, conflict theory and interactionism
What is the moment of inertia of flywheel
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 32.12 seconds until it hits the ground, how far above the ground was the plan..
A car drives north at 42 mi/h for 10 {rm min} and then turns east and goes 5.0 {rm mi} at 62 mi/h. at last, it goes southwest at 30 mi/h for 6.0 {rm min}.
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