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An object that is 10 centimeter tall is located 37 centimeter in front of a concave mirror of focal length 18.5 centimeter. Determine how tall is the image?
consider a waterfall that is 28.3 m high. suppose that at the top water feeds into the water fall at an extremely slow
The coefficients of friction between a block of mass 1.0 kg and a surface are ?s = 0.75 and ?k = 0.40. What is the magnitude of the frictional force
A bullet (mass = 10 g) is fired horiztally into a block of wood weighing 2.000 kg and suspended like a ballistic pendulum. Find the velocity of the bullet just before impact
The question below was asked before, but this seems to ignore that the launching machine should have static friction as well, How far would the launching machine slide on the Moon
A 3.0-kg cylinder falls vertically from rest in a very tall, evacuated tube 20m above the surface of the earth. what is its kinetic energy just before it hits the earth
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 920 kg cdot m^2. The platform rotates without friction with angular velocity 0.85 rad/s. The person walks radially to the edge ..
Two masses are on a frictionless horizontal surface moving by 2 perpendicular directions (m1=m & m2=3m). After the collision the m1 mass stops. What is the velocity of mass m2 after the collision, if before the collision of the masses v1=5m/s and v2=..
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. What is the volume flow rate of the petroleum along the pipe
A candle is placed 1.270m in front of a converging lens. The image of the object is focused on a screen 1.376m behind the lens. What is the magnification of the image
Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars (highly compact stars consisting only of neutrons).
The average intensity of sunlight reaching the earth is 1390 W/m2. A charge of 2.38 x10−8 C is placed in the path of this electromagnetic wave. What is the magnitude of the maximum electric force that the charge experiences?
The propeller of a light plane has a length of 1.752 m and a mass of 19.96 kg. The rotational energy of the propeller is 158.6 kJ. What is the frequency of the propeller in rpm
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