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A 1.4 kg object is wholly immersed in a uid that is NOT water. The object has a volume of 0.0002 m3. It is found that the buoyant force acting on this object is 15 N. Determine the density of the uid and whether or not the object will sink, oat, or remain stationary.
A concave mirror and a plane mirror (f = 6.70 cm) are facing each other and are separated by a distance of 20.0 cm. An object is placed 11.0 cm in front of the plane mirror. Consider the light from the object that reflects first from the plane mirror..
A compound microscope has objective and eyepiece focal lengths of 6.1mm and 1.9 cm , respectively. what is the magnification of the instrument
A swimming pool appears to be 1.98 m deep, when you view the bottom of the pool from directly above the water's surface. What is the actual depth?
a 1.50 kg snowball is fired from a cliff 13.0 m high. the snowballs initial velocity of 14.0 ms directed 41.0deg above
A fluid with viscosity of 100 CP and density 77.5 lbm/ft3 is flowing through a 100 ft length of vertical pipe (Schedule 40 steel).
A typical helium-neon laser found in supermarket checkout scanners emits 633-nm-wavelength light in a 1.1mm diameter beam with a power of 1.4mW. What is the amplitude of the oscillating electric field in the laser beam
You are an astronaut, and you observe a small planet to be spherical. What is the mass of the planet
Does the uncertainty in the theoretical value of Idisk account for the discrepancy in the experimental and theoretical values of Idisk
If I decelerate for 97 m at 2.4 m/s2 and at the end my speed is 15 m/s, How fast was I going when I started to decelerate? can you explain me what formula I have to use and why?
Zach, whose mass is 70kg, is in an elevator descending at 12m/s. The elevator takes 4.0s to brake to a stop at the first floor. What is Zach apparent weight while the elevator is braking
A very powerful octopus uses one sucker of diameter2.93 cm on each of the two shells of aclam in an attempt to pull the shells apart. Find the greatest force that the octopus can exert in salt water 32.3 m depth
The experiment was repeated with the same container but at 471 K, and it was found that 0.0380 g of acetic acid was present. Calculate the equilibrium constant for the dimerization of the acid in the vapour and the enthalpy of vaporization.
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