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A pendulum has a period of 0.7759 seconds on Earth at sea level. (Use g = 9.81 m/s2). Find the change in the period of this pendulum if it were used at the top of Mt. Everest. (Use g = 9.75 m/s2).
One mole of an ideal gas does 2500 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 28.0 L. Determine the temperature of the gas
Calculate the capacitance of a capacitor whose plates a 20.0 cm by 3.0 cm and are separated by a 1.0mm air gap. What is the charge on each plate if the capacitor is connected to a 12.0 V battery
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
A small 15.0-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. What is the angular speed of the bar just after the frisky insect leaps
A 0.200 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. Calculate the duration of the impact
600g model rocket is on a cart that is rolling to the right at a speed of 4.5m/s. At what horizontal distance left of the loop should you launch
Water is in the big beaker in the figure on the left. Scale 1 reads 96 newtons, scale 2 reads 531 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 10 × 10^3 kg/m3. To nearest tenth of a newton what does scale 1 read after t..
A disk 8.00 cm in radius rotates at a constant rate of 1,200 rev/min about its central axis. Determine its angular speed in radians/sec
A thin metallic spherical shell of radius 42.6 cm has a total charge of 6.95, What is the electric field at a distance of 14.4 cm from the center of the spherical shell
While giving an injection with a hypodermic syringe, a nurseapplies a force of 3.95 N to the piston of a syringe. The pistonhas a circular cross section of radius 4.00 mm. What is the pressure increase in the fluid within the syringe?
1 explain why almost all naturally-occurring isotopes have a greater number of neutrons than protons.2 when two small
a sailor in a small sailboat encounters shifting winds. she sails 2.00 km east then 3.50 km southeast and then an
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