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Suppose a man stands in front of a mirror as shown in Figure 24.64. His eyes are 1.70 m above the floor, and the top of his head is 0.13 m higher. Find the height above the floor of the top and bottom of the smallest mirror in which he can see both the top of his head and his feet.
How is the distance d from the top to the bottom of the mirror related to the man's height h? Use the symbol h.
A pipeline of 0.2m in diameter is flowing with water and ends in a constricted pipe of 0.1m diameter. find the velocity and the flow rate in the constricted section
A 35-mm slide (picture size is actually 24 by 36 {mm) is to be projected on a screen 2.10 m by 3.15 m placed 5.30 m from the projector. What focal-length lens should be used if the image is to cover the screen? Answer to be in mm please.
An airplane is flying in a horizontal circle at a speed of 520 km/h. If the wings of the plane are tilted 34° to the horizontal, what is the radius of the circle (in m) in which the plane is flying
Adjacent antinodes of a standing wave on a string are 20.0 cm apart. How far apart are the adjacent nodes
A tungsten wire has a radius of 0.070 mm and is heated from 20.0 to 1330 oC. The temperature coefficient of resistivity is ? = 4.5 x 10-3 (Co)-1, How long is the wire
The large piston has a cross-sectional area of 200 cm2, and the small piston of a hydraulic lift has a cross-sectional area of 3.00 cm2. What downward force of magnitude F1 should be applied to the small piston for the lift to raise a load whose weig..
A heat pipe is a device developed by NASA for efficiently transmitting thermal energy while in space. A heat pipe is to be constructed using a rigid pipe with a volume of 0.0002·m3, What is the specific and total internal energy of the water
A particle with a mass of 2.0x 10-5kg and a charge of +2.3 micro-coulomb is released in a (parallel plate) uniform horizontal electric field of 14N/C. How much charge is on each side
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
An inductor with an inductance of 2.30H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 6.00 V and negligible internal resistance. Find the initial rate of increase ofcurrent in the circuit. Find the rate of in..
Runner A is initially 3.0 mi west of a flagpole and is running with a constant velocity of 3.0 mi/h due east. How far are the runners from the flagpole when they meet
an object which is initially at rest on a frictionless horizontal surface is acted upon by four constant forces. f1 is
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