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Question: After flying for 19 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 59 km due north of the starting point. What is the speed of the airplane relative to the air?
Two 68 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium? (Neglect the heat capac..
An 860 kilogram race car can drive around an unbanked turn at a maximum speed of 59 meter per second without slipping. Compute the maximum speed if no down force acted on car
A 96 kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.80 m/s^2.
Two particles having charges of 0.580nC and 20.9nC are separated by a distance of 1.20m. At what point along the line connecting the two charges is the net electric field due to the two charges equal to zero
Neil A. Armstrong was the first person to walk on the moon. The distance between the earth and the moon is 3.85 108 m. Find the time it took for his voice to reach earth via radio waves.
The third order fringe of a 525 nm light is observed at an angle of 15 degrees when the light falls on two narrow slits. How far are the slits apart
What is the initial relative velocity of the two objects? What percentage of the original kinetic energy is convertible to some other form?
Critical thinking of the relevant issues and perspectives surrounding this topic.
The radius of the earth's very nearly circular orbit around the sun is 1.5x10^11. Find the magnitude of the earth's velocity as it travels around the sun
A rock is lauched from the moon and travels away from it at a speed of 2/5, Call the event of the rocket's lauching event A, Draw a spacetime diagram of the situation, drawing and labeling the worldlines of the moon
A quartz sphere is 14.0 cm in diameter. What will be its change in volume if its temperature is increased by 320 °F? (the coefficient of volume expansion of quartz is 1.50 x 10-6 °C-1).
the electric field on the axis of a uniformly charged ring has magnitude 380 knc at a point 6.4 cm from the ring
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