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A 95g ball of clay traveling at speed v0 hits and sticks to a 1.9kg kg block sitting at rest on a frictionless surface. What is the speed of the block after the collision? What percentage of the ball's initial energy is "lost"?
A ball thrown straight up from the ground passes a window 5.6 m up. An observer looking out the window sees the ball pass the window again, going down, 2.6s later
If an electron makes a transition from the n = 4 Bohr orbit to the n = 3 orbit, determine the wavelength of the photon created in the process
The 4{rm kg} block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended and the tension in the upper string is 83N.
A radiator with a constant temperature of 150o C has a surface area of 5.00 m2. Calculate its rate of heat loss by radiation to the environment
A person in Inertial system S sees two objects moving parallel to one another on a straight path. Find the speed of one object with respect to the other
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
With what tension should a rope with length 3.00m and mass 0.135kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.720m. What torque does friction exert even as this wheel is slowing down.
A basketball player makes a jump shot. The 0.600 kg ball is released at a height of 2.00 m above the floor with a speed of 7.20 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.20 m/s Find the work done on the ball by air ..
Consider a two lens system, where f1=5 cm f2=-4 cm The distance between the lenses is 15 cm. calculate the position of the image from the first lens
Given a spherical cell with outer radius R=6E-6 m, with thickness 5E-9 m. The potential difference across the membrane is -90 mV. Find potential energy stored within the membrane
Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2430 kJ/kg at body temperature, what would be the maximum sustainable metabolic rate, in watts, if75% of the energy used by the body ..
Regarding the Earth and a cloud layer 750 m above the Earth as the "plates" of a capacitor, calculate the capacitance. Assume the cloud layer has an area of 1 km2 and that the air between cloud and ground is pure and dry.
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