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At a certain part of yourdrive from home to school, your car (mass = 1400 kg) will coast inneutral at a constant speed of 84 km/h if there is no wind. Examination of a topographical map shows that for this stretch ofstraight highway the elevation decreases 200 m for each 6000 m ofroad. What is the total resistive force (friction plus airresistance) that acts on your car when it is traveling at 84km/h?
A 69-kg sky diver jumped out of an airplane at an altitude of 0.70 km. How much energy was dissipated by air resistance during the jump
A plano convex lens is placed convex side down on a plane glass plate and illuminated from the above with red loght of wavelength of 625nm. what are the curvature and focal length of the convex surface of the lens
A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car
three capacitor , with capacitance of c1=4.0mf,c2=3.0mf ,c3=2.0mf , are connected to a 24v source (c1 is in series with c2 but c2 and c3 are in parallel, what is the equivalent capacitance of the three capacitors
given the following vectors a is 25lbs at an angle of 30 degrees clockwise from the x-axis and b is 42lbs at an angle
An electron is released in a region where there is a varying electric potential. Will the electron move toward the lower potential region or the higher potential region
A charged conducting sphere has a radius of 10.0 cm and is surrounded by an electric field. What is the potential at the center of sphere
q1. a 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. if the total
you are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
An ultralight plane and pilot have a total mass of 127 kg. find the net force acting on the plane and pilot
An golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. A virtual image is formed a distance of 6 cm away from the mirror. What is the mirror's focal length (include sign if negative)
Two resistors (connected in series with each other) and a 10 Vbattery are connected in a loop. The voltage drop across the firstresistor is 2 V. What is the voltage drop across the second resistor?
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