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Which one of the following statements regarding fluids is FALSE?
(A) An ideal fluid has a constant density.(B) For horizontal flow of an ideal fluid, the speed of flow ishigher where the pressure is lower.(C) The pressure at a depth d in an ideal fluid is lower than thepressure at the surface.(D) A fluid exerts a buoyant force on a submerged object equal tothe weight of the displaced fluid.(E) Pressure is a scalar quantity.
The parallel metal plate of a capacitor is separated by a distance of 0.5cm and is connected to a 90v battery. Discover an electric field between them and the surface charge density .
A hill that has a 25.7% grade is one that rises 25.7 m, At what angle is such a hill inclined above the horizontal
A blue puck with a mass of 4.30×10?2kg , sliding with a speed of 0.190m/s on a frictionless, horizontal air table, Find the direction of the velocity of the red puck after the collision
A 2.10 x 10^3 kg car starts from rest at the top of a 4.70 m long driveway that is inclined at 25° with the horizontal. If an average friction force of 4.0 x10^3 N impedes motion, find out the speed of the car at the bottom of the driveway.
A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
Desperate for money, you take a scary job climbing a very tall 2.640 hm high tower to make a repair. How far away are they in feet from the tower bottom
A 76.2-kg skier rides a 2520-m-long lift to the top of a mountain. find the change in the skier's gravitational potential energy
A magnetic dipole antenna is used to detect an electromagnetic wave. The antenna is a coil of 50 turns with radius 5.1 cm. The EM wave has frequency 870 kHz, electric field amplitude 0.56 V/m, and magnetic field amplitude 1.87 10-9 T.
A model rocket is fired vertically from rest. It has a net acceleration of 15.5 m/s2. How long after liftoff does the rocket return to the ground
A 1800 kg truck traveling north at 33 km/h turns east and accelerates to 50 km/h. What is the change in the truck's kinetic energy
On an essentially frictionless ice rink, a skater moves at 3 m/s. Find the length of the rough patch
Ice at 0 degrees Celsius and at a pressure of 1 atmosphere has a density of 916.23 kg m^-3 while water under these conditions has a density of 999.84 kg m^-3
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