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At the instant a traffic light turns green, a car that has been waiting at the intersection starts ahead with a constant acceleration of 2.00 m/s2. At that moment a truck traveling with a constant velocity of 15.0 m/s overtakes and passes the car. a. Calculate the time necessary for the car to reach the truck. b. Calculate the distance beyond the traffic light that the car will pass the truck c. Determine the speed of the car when it passes the truck.
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
Initially at rest, a small copper sphere with a mass of 4. 10-6 kg and a charge of 9. 10-4 C is accelerated through a 6500-V potential difference before entering a magnetic field of magnitude 4 T, directed perpendicular to its velocity. What is the r..
Calculate a realistic estimate for the temperature at the surface of Neptune using the black body radiation formula. Use thefollowing facts. Radius: 24746 km. Distance from sun:4460000000 km.The remaining needed data are available in Lecture 1. Tempe..
there are two identical positively charged conducting spheres fixed in space. the spheres are 42.6 cm apart center to
a series combination of a 9 k resistor and an unknown capacitor is connected to a 12 v battery. one second after the
A 200 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the required net force
From the difference in mass of a hydrogen atom (Appendix B) to the mass of a proton and an electron (Table 1.5), estimate the binding energy of the electron in the hydrogen atom. Compare this to the ionization energy of the ground state electron a..
A rod suspended on its end and acting as a physcial pendulum swings with a period of T=1.49 sec. What is the length of this physical pendulum
The nozzle of a fountain jet sits in the center of a circular pool of radius 3.30 . If the nozzle shoots water at an angle of 65, what is the maximum speed of the water
An inductor has an inductance of 0.082 H. The voltage across this inductor is 45 V, What is the current in the inductor
A bag of cement of mass m is located on plank of length L. Find how much must the person nearest the bag support
Jerry applies a force of 155 N to the propeller. The distance of the from where the force was applied to the axis of rotation is 1.19 m. What is the torque on the propeller
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