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Question: To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity
A plane accelerates from rest at a constant rate of 5.00m/s2 along a runway that is 1800m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time tTO needed to take off?
What is the speed vTO of the plane as it takes off?
What is the distance dfirst traveled by the plane in the first second of its run?
What is the distance dlast traveled by the plane in the last second before taking off?
What percentage of the takeoff velocity did the plane gain when it reached the midpoint of the runway?
A tow truck pulls a car 5.00 \rm km along a horizontal roadway using a cable having a tension of 850 \rm N. How much work does the cable do on the car if it pulls horizontally
A coil of 1800 turns has an induced voltage of 150 volt. Calculate the rate of flux change in Wb/s
A high-speed lifting mechanism supports a 880 kilogram object with a steel cable that is 39 meter long and 4 cm2 in cross-sectional area. Calculate the elongation of the cable
A 0.94-µF capacitor is charged by a 45.0-V power supply. Find the maximum current in the resulting oscillations
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in every directions. Compute the distance from the source at which the intensity is 0.80 x 10-6 W/m2
q1 has mass 0.2 gram and charge q2 is 2.7 x 10-9 C. The separation r is 4.1 centimeter, and the angle θ is 13.9o. Obtain the magnitude of the electric field produced by q2 at the location of q1
A wave has a wavelength of 456m and a frequency of 200Hz. What is the period of the wave? What is the wave speed?
A point charge q1= +2.4 μC is held stationary at the origin. Find how much work is done by the electric force on q2
What is the volume of mercury that spills out of the hole?
Two point charges are placed on the x-axis. A charge -q is located at the origin, and a charge -2q is located at x = +d. at what location is the total electric potential zero
The figure shows voltage and current graphs for an inductor. What is the emf frequency f? What is the value of the inductance L?
A supersonic jet flying at 145 m/s is accelerated uniformly atthe rate of 23.1 m/s2 for 20.0 s. How many times thespeed of sound is the planes final speed
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