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The gearshift lever AB for the transmission of a sports car has position vector →r whose line of action passes through points A and B. The driver applies a force →F to the knob of the lever to shift gears. If the component of →F perpendicular to the gearshift lever must be 5 N to shift gears, determine the magnitude F of the force.
In a single acting two-stage reciprocating air compressor. 6 kg of air per minute is compressed from 1.013 bar and 17 °C to 10 bar. Both stages have the same pressure ratio and the input cmperature of the second stage is equal to (he input tempera..
As shown schematically in the figure below, the beam of light enters the glass perpendicular to the long side of the triangle, and is then internally reflected off the back wall of the prism, and again totally internally reflected from the bottom..
A box of books weighing 309 Newton moves with a constant velocity across the floor when it is pushed with a force of 376 Newton exerted downward at an angle of 39.5 degree below the horizontal
A human-sized version of the popular "hamster wheel" is shaped like a cylindrical shell and has a radius of 2.25 m. A person running on the wheel applies a horizontal force of 148 N to the bottom of the wheel. What torque does he supply
A ball of mass 0.275kg that is moving with a speed of 5.1m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
Two protons and two electrons are located at the corners of a rectangle with side lengths a and b. There are two essentially different arrangements. Consider the work required to assemble the system, starting with the particles very far apart.
Determine what is the maximum voltage that can be applied to a 2 Ω resistor rated at a power 1Watt
What are the max and min values of the instantaneous power?
A car is traveling at 14.0 m/s, and the driver sees a traffic light turn red. What is the stopping distance of the car
Find out an average acceleration of the motorcycle
An equipotential line surrounds a charge distribution of known value (35 mC). Two points A and B are selected on this equipotential line separated by 3.0 cm. What is the potential difference DV between these points
A steel cable spanning a river is 200 m long when the temperature is 20°C. What will be its length when the temperature drops to 0°C
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