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Juan and Pablo carry a load weighing 720 N on a pole between them.
(a) If the pole is 2.0 m long and the load is 0.50 m from Pablo, what force does each person support? Neglect the weight of the pole.
(b) If the weight of the 120-N pole is considered, what force does each person support?
An ideal monatomic gas at first has a temperature of 311K and a pressure of 7.57atm. It is to expand from volume 571 cm3 to volume 1390 cm3.
A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 131 m. The mass of the motorcycle and driver is 348 kg.
Your telescope has a 700mm-focal-length objective and a 26-mm-focal-length eyepeice, You position film so that it caputures the image produced by the objective lens. What is the diameter of that image
A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
Imagine a frictionless pulley (a solid cylinder) of unknown mass M and radius r = 0.200 m which is used to draw water from a well. A bucket of mass m = 1.50 kg is attached to a massless cord wrapped around pulley. The bucket starts from rest at th..
A container of volume 0.30 m3 contains 3 mol of argon gas at 31°C. suppose argon behaves as an ideal gas, find the total internal energy of the gas.
If air drag is negligibly small, how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 tree.
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, What length will you choose for your wire
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
The capacitance of an empty capacitor is 2.5 x 10^-6 F. The capacitor is connected to a 3 volt battery and charged up, Write the equation for q in terms of K, C(subscript zero), and V
Points A and B have electric potentials of 243 V and 129 V, respectively. When an electron released from rest at point A arrives at point C its kinetic energy is KA. When the electron is released from rest at point B, however, its kinetic energy when..
A drunk driver in a 1600 kg car plows into a 1500 kg parked car with its brake set. Police measurements show that the two cars skid together a distance of 19 m before stopping. If the effective coefficient of friction is 0.78, how fast was the dru..
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