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An aircraft weighing 940 N is accelerated at 8.2 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft? Hint: this is a multiple step problem in which you must derive the variables needed in Newton's equation for force.
A small moon of a giant planet has an orbital period of 1.41 days and an orbital radius of 4.10 x 105 kilometer. From these data, compute the mass of the planet
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30. At 10.0 after blastoff, the engines suddenly fail, which means that force they produce instantly stops.
An electric field of 9.50 105 V/m is desired between two parallel plates, each of area 44.5 cm2 and separated by 2.45 mm of air. What charge must be on each plate
A 900 g rubber ball is dropped from a height of 14 m and undergoes a perfectly elastic collision with the earth. What is the earth's velocity after the collision
Assume you're building a scale model of the hydrogen atom, and the nucleus is represented with a ball of radius 3.27 cm. How many miles away (1 mi = 1.61E+5 cm) must the electron be placed?
A hiker's trip consists of three segments. Path A is 9km long heading 60.0° north of east. Path B is 6.0km long in a direction due east. Path C is 5.0 km long heading 315° counter clockwise from east.
calculate the capacitance of a planet assuming it is a spherical capacitor of radius r 9550.0 km with charge
A 2.55-cm-diameter parallel-plate capacitor with a spacing of 0.38 mm is charged to 300 V. What is the total energy stored in the electric field
A person is losing thermal energy through the skin at a rate of 120 W when his skin temperature is 30°C. find At what rate is he now losing thermal energy
Suppose the skin temperature of a naked person is 34 °C while the person is standing inside a room whose temperature is 25 °C. The skin area of the individual is 2 m2.
A plane, diving with constant speed at an angle of 53.0° with the vertical, releases a projectile at an altitude of 750 m. The projectile hits the ground 7.00 s after release.
Two polarizers are out of alignment by 30°. If light of intensity 7.57 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters, what is the intensity of the transmitted light?
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