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You are 1.9 m tall and stand 2.8 m from a plane mirror that extends vertically upward from the floor. On the floor 1.4 min front of the mirror is a small table 0.60 m high.
What is the minimum height the mirror must have for you to be able to see the top of the table in the mirror? Express your answer using two significant figures.
q1. fuel aboard a rocket has a density of 2770 kgm3 and is ejected with a speed of 3270 ms. if the engine is to provide
Assess the performance of the stock within the first year of the public offering, indicating the drivers of the performance and the resulting impact to the company performance.
A 2000 kg car is traveling at 15.0 m/s down a long mountain grade of 2.0%. The mountain road is 5.0 km long. What is the increase in the temperature of the brakes
A steel tube, which is closed at both ends, is filled with air. The air in the tube is vibrating at a frequency of 160·Hz. Use 340·m/s for the speed of sound in air. What is the wavelength of the sound waves in the tube
In an AC circuit that contains a resistor, a capacitor, and an inductor, impedance replaces the DC concept of resistance. Explain the difference between the two quantities
starting from resta 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume
A light platform is suspended from the ceiling by a spring. A student with a mass of 74 kg climbs onto the platform. At what time does the maximum speed occur
In reality, the angular speed of a baggage carousel does not change. Therefore, what must be the external torque acting on the system if ten bags are dropped each minute?
Robert is driving his convertible at the 65-mph speed limit. The car's soft, elastic ragtop roof is in the "up," or closed position, and the car's windows are closed. What will an observer most probable see happening to Robert's ragtop roof as the ob..
In a television tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.8 105 N/C during the first 5.0 cm of the tube's length, Find the speed of the electrons when they hit the screen
A bottle has a mass of 31.00g when empty and 97.94g when filled with water. what is the specific gravity of the other fluid
when a bicyclist is riding at 32 kmh in still air he experiences a drag force air resistance of 25 n.a calculate the
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