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In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find
(a) the acceleration of the two blocks and
(b) the tension in the cord.
The linear density of a rod of length 4 m is given by p(x) = 9 + 2sqrt(x) measured in kilograms per meter, where x is measured in meters from one end of the rod. Find the total mass of the rod.
A 68.5 kg astronaut is doing a repair on the space station. She throws a 2.25 kg tool away from her at 3.20 m/s. With what speed and direction will she begin to move
A golf ball of mass 4.50 10-2 kg is struck by a club. Compute the average force the club exerts on the ball by finding its average acceleration
An insect 1.1 tall is placed 1.3 beyond the focal point of the objective lens of a compound microscope. The objective lens has a focal length of 17 , Where is the image formed by the objective lens
What mass (in grams) of steam at 100°C must be mixed with 377 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 58.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, ..
Esitmate the change in temperature of 5 m^3 of air, to an increase in pressure of 50 kPa. The initial temperature of the air is 15*C at atmospheric pressure
If the operators of a spy satellite pondered using it to photograph license plate numbers. what is the smallest distance between two points that it can resolve
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
A 1.00 m3 container of air absorbs 6098 J of heat at a constant pressure of 1.00 atm. Air has a density of 1.20 kg/m3, Find the increase in the temperature of the air
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant? -140 N/C 140 N/C -35 N/C 35 N/C 75 N/C.
In an L-R-C series circuit, the rms voltage across the resistor is 28.0V , across the capacitor it is 91.0V, What is the rms voltage of the source
The suspension system of a 1800 kg automobile "sags" 14 cm when the chassis is placed on it. Estimate the values of the spring constant
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