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1. The fact that an increase of pressure on an enclosed fluid is transmitted uniformly throughout the fluid is------------- law.
2. A hydraulic jack is used to lift a load of weight 1000N. The load-bearing cylinder has a radius of 4cm, and the other piston has a radius of 1cm. what force must be exerted on the smaller piston to support the load? show calculation.
3. If the atmospheric pressure is 1.1Af-10 raise to the power 5 Pa, the corresponding downward force on the top of a horizontal square areas 6cm on each side is approximately. show calculation.
4. A gas initially is at a pressure of 100Pa. If it's volume is halved while the absolute temperature is kept constant the new pressure will be --------------kpa. Explain your answer by using the appropriate law (formula).
5. A gas originally occupies a volume of 0.5m cube at a pressure of 100kpa. It is slowly allowed to expand until the volume is 2.5m cube. Assuming the temperature is kept constant, the final pressure will be: show calculation.
puck 1 of mass m1 = 0.30 kg is sent sliding across a frictionless lab bench, to undergo a one-dimensional elastic collision with stationary puck 2. What is the mass of puck 2
A vector has an x-component of -21.5 units and a y-component of 35.0 units. Find the magnitude and direction of the vector
What is the combined contact force on the log by ropes 1 and 2? In this case, give your direction in terms of an angle in degrees measured counterclockwise (CCW) from the Easterly direction. The angle may be anything between 0 and 180 degrees.
Two square conducting plates 20 cm on a side are separated by 3.5mm and have a charge of 4 micro Coulombs. A positive charge of 3.2xl0^-19 C is at rest on the positive plate. It has a mass of 4.5 x10^-26kg.
The cylinder of a bicycle pump has an interior diameter of 2.0 cm and a length of 40 cm. How far down (in cm) must you push the piston before air begins flowing into the tire
What does a low pass filter do? How does it change/not change theinput signal? What is the difference between a low pass and high pass filter? Explain how to determine the cut off frequency of a low pass filter, based on what happens to theamplitu..
A person drives a car around a circular cloverleaf with aradius of 59 m at a uniform speed of 10 m/s.
An olive is at the bottom of a glass of alcohol (n = 1.36), 6.51 cm beneath the surface. what is the apparent depth d' of the olive
A yo-yo has a rotational inertia of 1140 g·cm2 and a mass of 81.3 g. Its axle radius is 3.27 mm, and its string is 106 cm long, What is the magnitude of its linear acceleration, rotational kinetic energy
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.85 104 kg/s, with an exhaust speed of 3.30 103 m/s. Calculate the thrust produced by this engine
A 6.50 g bullet moving at 726 m/s strikes a 590 g wooden block at rest on a frictionless surface. What is the speed of the bullet-block center of mass
A 17cm length of 0.25mm diameter nichrome wire is welded into a circular loop. What is the induced current in the loop
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