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A 315-g model boat floats on a pond. The wind on its sail provides a force of 1.6 N that points 20° north of east. The drag force of the water on the boat is 0.65 N, toward the west. If the boat starts from rest and heads east for a distance of 2.7 m, how fast is it moving?
A parallel-plate capacitor has plate area 2.5×10?3m2 and plate spacing 3.0×10?2m, Find the stored charge and energy when this capacitor is connected across a 60V battery
Find the speed of an orbiter in a circular orbit that is just above the surface of a planet, given that the orbiter's acceleration is equal to the planet's gravitational acceleration of 2.13 m/s2
An object is moving in a circular path of radius 4.00 m. If the object moves through an angle of 30.0 degrees, then what is the tangential distance traveled by the object
In your lab is a steel vessel having a volume of 15.0L you charge the vessel with 2.00 moles of H2 and 1.00 moles of O2. What is the partial pressure of the hydrogen
A heat engine is taking in 400 J from a hot reservoir that is at 20 degrees Celsius. It expels heat to a cold reservoir at 0 degrees Celsius> What is the ideal efficiency of the engine
suppose a trucks mass is 2000 kg while the cars mass is 1000kg. and suppose the truck slows down by 5 ms during the
A vehicle with a mass of 2200kg moving with an initial speed of 24.6 m/s hits a utility pole and comes to a stop. What acceleration does the car encounter
a quantity is measured 100 times and after calculating the mean the standard deviation and the standard error on the
question1a blocks slides all along a track that descends through distance h. the track is frictionless except for the
An automobile has a mass of 1690 kg and a velocity of 23.8 m/s. It makes a rear-end collision with a stationary car whose mass is 2100 kg. determine how far the cars skid before coming to rest
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
A Carnot engine operates between a high temperature reservoir at 492 K and a river with water at 290 K. how much work per cycle does it perform
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