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Q1. A flight attendant pulls her 66 N flight bag a distance of 381 m along a level airport floor at a constant velocity. The force she exerts is 35 N at the angle of 55° above the horizontal.
Find the coefficient of kinetic friction between flight bag and floor.
Q2. An asteroid is discovered heading straight toward Earth at 13km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 mins, after which the asteroid is moving at 28 degrees to its original path at a speed of 20 km/h/ Find its average acceleration.
Find out vertical and horizontal components
Analyse average density of the white dwarf
Write three methods of increasing the volume of a balloon
Determine the new planets mass density to earth mass density
Compute the momentum of the bullet
As the block has raised a vertical height of 0.725, the tension in the cord is 4.66 .What is the velocity of the bullet originally.
Compute magnitude of the average emf
Problem on elevator
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
What is angular width of the beam
A 67.3 ice skater moving to the right with the velocity of 2.52 throws a .151 snowball to the right with a velocity of 33.7 relative to the ground. What is velocity of the ice skater after throwing the snowball.
A vessel whose walls are thermally insulated contains 2.00 of water and 0.550 of ice, all at a temperature of 0.0. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted into the water.
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