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1) An automobile with a mass of 1390 kg has 3.15 m between the front and rear axles. Its center of gravity is located 1.78 m behind the front axle. The automobile is on level ground.
(a) Determine the magnitude of the force from the ground on each front wheel (assuming equal forces on the front wheels). ?? N
(b) Determine the magnitude of the force from the ground on each rear wheel (assuming equal forces on the rear wheels).?? N
2) A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 15.0 cm mark, the stick is found to balance at the 42.0cm mark. What is the mass of the meter stick?
?? g
determine the weight of the collar.
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
A charge of -5 micro-coulombs is placed at x = 0 cm, y = 0 cm. Another charge of -5 micro-coulombs is placed at x = +22 cm, y = -50 cm. When measured counter-clockwise from the x axis, what angle is the electric force vector acting on the charge a..
There is evidence that elephants communicate via infrasound, Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions
a motor starts from rest with an angular acceleration of 12. rad/s ^2 what is the motor angular speed 4.0s later? how many revolutions does it make in this period of time
Two converging lenses, each of focal length 13.1 cm, are placed 58.6 cm apart, and an object is placed 29.9 cm in front of the first. What is the magnification of the system
What is the average speed of a rider on this Ferris wheel.
A rocket blasts off from a platform on a space station. An identical rocket blast off from free space. Considering that everything else is equal, will the two rockets have the same acceleration? define.
A capillary tube is being used to measure the viscosity of a Newtonian liquid, Estimate the viscosity coefficient for the liquid if a pressure of 2.5 kPa is required to maintain a flow rate of 1 kg/s
find the net rate of radiation by a pot at 35.7°C that has been placed in a -23.9°C freezer. The pot's surface area is 0.111 m2 and its emissivity is 0.655.
light bulb has a resistance of 260 . It is connected to a standard wall socket (120 V rms, 60.0 Hz). Determine the rms current in the bulb
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be the volume (in cubic centimeters)
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