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Imagine holding an air-filled 2 L soda bottle (V = 2000 cm3) underwater. You have used a scale to determine that the mass of the soda bottle is mbottle = 50 g. When you push it down to submerge it completely in a pool, what force is required to hold it underwater? Drawing a free body diagram of the situation will help you solve this problem.
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 50.0 degrees. find the angle the resultant force makes with the rope of dog A
A thermally isolated flask containing helium gas initially at 11 K, allows the gas to slowly escape through a small tube until the pressure inside is 0.98 atm, what was the initial pressure
A container at 25°C holds 0.50 moles of helium at a pressure of 2.5 atm. What is the volume of the container
A rocket for use in deep space is to be capable of boosting a total load (payload plus the rocket frame and engine) of 3.15 metric tons to a speed of 10 000 m/s. How much fuel plus oxidizer is required
What is the period of revolution? please give me answer and units to both questions. dont just give me equation
A 70kg hiker climbs to the second base camp on Nanga Parbat in Pakistan, at an altitude of 3900m, starting from the first base camp at 2200m. The climb is made in 4.7hr. Calclate the following A)the work done against gravity B) the average power outp..
An automobile has a vertical radio antenna 1.00 m long. The automobile travels at 56.0 km/h on a horizontal road where Earth's magnetic field is 50.0 µT, Calculate the magnitude of this induced emf
Two plates of area 865 cm2 each are separated by a distance 42.1 cm. what is the potential difference between the two plates
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
A certain stick has a proper length of one meter. Observer A, moving with uniform velocity parallel to the stick, measures the length to be one quarter of its proper length. Observer B, at rest with respect to the stick, records the two events cor..
Calculate the change in specific entropy of air as it is expanded from 2500kPa and 550 degrees C to 120kPa and 65 degrees C
A particle is moving with a certain speed. Its speed and energy are being measured with respect to Earth. determine the original speed of the particle
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