What is the lift force exerted on the air
A 6500 kg helicopter accelerates upward at 0.60 m/s^2 while lifting a 1200 kg car. The car is suspended beneath the helicopter by a steel cable. What is the lift force exerted on the air by the helicopter's rotor?
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What is the difference between short-term and long-term memory? What did Donald Broadbent mean when he referenced attention filters, as related to encoding into short-term memory?
To give a 21- child a ride, two teenagers pull on a 3.9- sled with ropes, as indicated in the figure . Both teenagers pull with a force of 55 at an angle of 35 relative to the forward direction, which is the direction of motion.
Despite the general shift towards convergence in recent decades, economic downturn and uncertainty is now likely to lead to greater divergence at the national level and a strengthening of the role of the state.' Critically discuss?
A 10.0 g object moving to the right at 21.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 32.0 cm/s. Find the velocity of each object after the collision.
Calculate the mass of AgNO3(s) that must be added to 0.500 L of a solution of 0.154 M NaCl solution to precipitate ‘all' of the chloride ion.
Describe a specific aspect you see in the art and/or architecture of Ravenna that reflects Augustine’s views of Christianity found in Confessions and The City of God.
In the first 15.0s of the reaction, 1.6×10-2mol of O2 is produced in a reaction vessel with a volume of 0.380L . What is the average rate of the reaction over this time interval?
The temperature at 20 Km is 216 K and the surface is 288K. Assume that the balloon rises slowly so that the temperature inside is the same as outside. What will happen if the balloon is made up of rigid material?
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