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When a car is traveling at 25 m/s on level ground, the stopping distance is found to be 22m. This distance is measured by pushing hard on the brakes so that the wheels skid on the pavement. The same car is driving at the same speed down an incline that makes an angle of 8 degrees with the horizontal. What is the stopping distance now, as measured along the incline?
The tractor beam exerts a constant force of 4.0 104 N on the shuttlecraft. Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
One mole of an ideal gas at 0?C is held at a constant volume of 98 liter. Find the change in pressure if the tempera- ture increases by 73 ?C
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
A car with a mass of 950kg is travelling east when it collides with a truck of mass 1900kg that is travelling south. What is the speed of the truck before the collision
Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.569 s has elapsed, calculate the stopping distance of the car
A battery with an emf of 12 volts is coonected to a 60 watt light bulb and an ammeter. The ammeter reads 75 mA
which the tortoise wins in a photo finish? suppose that, when moving, both animals move steadily at their respective maximum speeds.
A turntable is a uniform disc of mass 1.2 kg and radius1.3 *10^-1 m . The turntable is spinning at a constant rate of f0 = 0.5 Hz. What is the magnitude of the frictional torque
A converging lens with a focal length of 6.00cmforms an image of a 4.00mm -tall real object that is to the left of the lens. Where are the object and image located
A 30 nF capacitor is in series with a 1.40 M ohms resistor. The capacitor is initially uncharged when the series combination is connected across a 24.0 V battery. find the maximum charge the capacitor will eventually attain
Suppose that the specific heat capacity cp Of the body discussed in Section 7.6 of the text is 10 J kg-1 K-1and T1 =200 K. Find the entropy change of the universe in both cases
a 7.4 cm-diameter-baseball has a mass 145 g and is spinning at 2000 rpm. Treating the baseball as a uniform solid sphere, whats its angular momentum
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