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A toy cart is attached to a weight across a half-pulley as shown on the drawing. The cart is pushed away from the pulley with the velocity of v = 457.0 cm/s. The mass of the suspended weight is ms=1.7 g, and the mass of the toy cart is mcart=9.9 g, and friction is negligible.
How long will it take before the cart is moving with the same speed 457.0 cm/s, but back toward the pulley ?
In the absence of a nearby metal object, the two inductances LA and LB in a heterodyne metal detector are the similar, Find by what percentage does the buried object reduce the inductance of the search coil
A solar cell has a light-gathering area of 10 cm^2 and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1000 W/m^2 sunlight. What is the efficiency of the solar cell
A relief airplane is delivering a food package to a group of people stranded on a very small island. What is the velocity of the plane if the pilot successfully drops the package from a horizontal distance, D, equal to 600 m from the site
The prong of a tuning fork moves back and forth when it is set into vibration. find the maximum velocity and the maximum acceleration of the prong
The boiling point of water increases with depth because pressure increases with depth. at what depth will fresh water have a boiling point of 150 degree celcius if the surface of water is at sea level
To help prevent frost damage, fruit growers sometimes protecttheir crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. How much heat is releasedby the water when it freezes
The E string on an electric bass guitar has a length of 0.606 m and, when producing the E note, vibrates at a fundamental frequency of 41.2 Hz. Players sometimes add to their instruments a device called a "D-tuner". This device allows the E string to..
What is volume concentration
The electric field midway between two equal but opposite point charges is 1430 N/C, What is the magnitude of the charge on each
A 19-kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 4 m and a diameter of 7 mm
q1. how does the length of a bat or racquet affect the striking motion? explain using concepts of angular motion.q2.
this simulation can be downloaded from granthams website under ph220.simulations its file name is ball on roller cstr
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