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A small tow truck of mass 8,000 kg needs to pull a car up an incline of 10 degree, so it attaches a long steel cable between the truck and the car that runs parallel to the ground. The coefficient of static friction between the truck's tires and the road is 0.8. a) If we assume that the hitch is strong enough that it does not break, and if the engine of the tow truck is powerful enough to provide whatever force is needed, then what is the maximum tension in the cat before the tow truck begins to slip?
Two forces parallel to the x axis do 16.8 J of work on a small tray while moving it 17.5 m in the x direction across a gym floor. What is the other force
In the All-Alaska ice Floe Softball finals, the right fielder for the Nome IceSox (who is floating on a small chunk of ice in still water) makes an outstanding catch of a line drive. what is the final heading of the fielder just after the ball is c..
A movie camera with a (single) lens of focal length 85 mm takes a picture of a person standing 35 m away. what is the height of the image in millimeters on the film
Light signaling has long been used to communicate between ships on the open sea privately. What is the minimum angular spread of the beam
A good example of a classical particle is a marble, which has amass of 11 grams. If the position ofthe marble can be localized by light interference to an uncertaintyof 250 nm, what is the uncertainty in its speed?
At the same moment, one rock is dropped and one is thrown downward with an initial velocity of 21m/s from the top of a 300m building. How much earlier does the thrown rock strike the ground? Neglect air resistance.
A monatomic ideal gas that is initially at a pressure of 1.60 x 105 Pa and with a volume of 8.50 x 10-2 m3 is compressed adiabatically to a volume of 4.10 x 10-2 m3. How much work is done by the gas during the compression
Two protons are moving directly toward one another. When they are very far apart, What is the distance of closest approach
What is the energy (in electron-volts) of the individual quanta that compose the radiation? How many photons are emitted per second? per cycle of oscillation?
A transformer consisting of two coils wrapped around an ironcore is connected to a generator and a resistor. There are 11 turnsin the primary coil and 18 turns in the secondary coil. The peakvoltage across the resistor is 67V. What is the peak emf..
A magnetic field of 16 T acts in a direction due west. An electron is traveling due south at 8.1x105 m/s. What are the direction and magnitude of the force acting on the electron?
A meter stick of weight W leans away from a wall. The 0 cm line is against the wall at the floor and it makes an angle of theta with the wall. It is kept from falling by a horizontal string connected to the 80 cm line. What is the tension (T) in the ..
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