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A 0.0422-m3 container is initially evacuated. Then, 7.24g of water is placed in the container, and, after some time, all of the water evaporates. If the temperature of the water vapor is 370K, what is its pressure?
when a 2.75kg fan having blades 18.5 cm long is turned off, its angular speed decreases uniformly from 10 rad to 6.3 rad/s in 5 sec. Through what angle does it turn
q. a paratrooper pilot fell 360 m after jumping without his parachute opening. he landed in a snow bank creating a
A man looks at himself in a concave shaving mirror whose radius of curvature is 48 inches. What is the image's magnification
A block of mass 2.1 kg, which has an initial velocity of 5.3m/s at time t = 0, slides on a horizontal surface. Determine the distance that the block slides as it comes to rest
a point particle with charge q 52 microc is placed at a corner of a cube of edge a 7.8 cm. what is the flux through a
A block of mass 200g, sliding with a speed of 12 cm/sec on a smooth level surface, makes a head-on, elastic collision with a block of unknown mass, Determine the mass of the second block
What is the frequency of the small axial oscillations that electron will undergo if it is released along the z-axis near the origin.
For a Nd:YAG laser there are four pump levels located at 1.00 eV, 1.24 eV, 2.40 eV, and 2.54 eV. What is shortest possible pump wavelength (in nanometers) that could be used to populate any of the excited energy levels
The capacitance of an empty capacitor is 1.2µF. The capacitor is connected to a 12-V battery and charged up. What is the dielectric constant for the material
A 5 g bullet with speed of 400m/s gets stuck in a 1 kg wooden block (originally not moving). Classify the collision. (b) Find the new speed of block+bullet. (c) Find the amount of kinetic energy lost. Where does it go?
A bungee jumper undergoes simple harmonic motion with amplitude 7.9m and frequency 0.110Hz. Determine the bungee jumper's velocity
A bullet with mass m=9.5 gram and initial velocity v=630 m/s is fired into a block (mass M = 5.4 kilogram) that is hung by two strings. Consider the conservation of linear momentum, determine the velocity of the bullet+ block system right after the ..
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