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A cart of mass (851.8 +- 0.1)g is configured in a setup. The tension in the string is 0.36 N and the cart has a displacement of 40.9cm. Determine the work done by the tension.
A bucket filled with dirt of mass 20 kg is suspended by a rope that hangs over a pulley of mass 30 kg and radius 0.25 m. What is the speed of the bucket
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.875 rad/s. You, with a mass of 69.5 kg, Calculate the total angular momentum of the system
In coming to a stop, a car leaves skid marks 91m long on the highway. Assume a deceleration of 7.5m/s2, compute approximately the speed of the car just before braking.
In daily life we see many cases of people who are caught misrepresenting things and who soon after that are excused and accepted by their contemporaries. How is this different in science.
The centers of a 7.0kg lead ball and a 140g lead ball are separated by 13cm. What gravitational force does each exert on the other
Calculate the energies and wavelengths of the 3d to 2p transitions, taking into account the fine structure of both levels
Suppose you hear a clap of 4.63 seconds after seeing the lightning stroke. how far are you from the lightning stroke
A 405 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.7 meters. What is the speed of sound in the substance
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 570nm
Barometric pressure in the eye of a hurricane is 0.91atm (27.2 in of mercury). How does the level of the ocean surface under the eye compare with the level under the distant fair-weather region where the pressure is 1.0atm.
Calculate the time it takes the sled to travel 21 m down the slope and draw a free-body diagram for the sled sliding down the slope.
A second baseman tosses the ball to first baseman, which catches it at the same level from which it was thrown. The throw is made with an initial speed of 15 m/s at an angle of 38.0^circ above the horizontal. What is the horizontal component of ba..
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