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At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 1.8 m/s2. At the same instant a truck is 11.1 m down the road and traveling with a constant speed of 8.5 m/s.
(a) How far beyond the traffic signal will the automobile overtake the truck?
(b) How fast will the automobile be traveling at that instant?
Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), What is the stopping distance of the car
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 4.0 m/s, How long does it take him to catch his opponent
For a procedure, the enthalpy change and the entropy change of the system is 173000 J and its entropy change is 210 J/K. compute the free energy change of the system at 298 K.
Two small balls are given positive charges. When they are a distance of 15.6 apart, the repulsive force between them has a magnitude of 0.220. What is the charge on the second sphere
q1. an airplane is flying with the velocity of 85.0 ms at an angle of 20.0 degrees above the horizontal. when the plane
If the partial pressure of water vapor is 47 mm Hg in the lungs at 760 mm Hg pressure, what percentage of air does the water vapor constitute?
A blue car with mass mc = 442 kg is moving east with a speed of vc = 22 m/s and collides with a purple truck with mass mt = 1213 kg that is moving south with a speed of vt = 12 m/s. find the magnitude of the initial momentum of the car
A girl is standing at the edge of a cliff 145 m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed of 6.79 m/s. How long does it take the rock to hit the ground
In one dimension, it is obvious that the force obeying Hook's law is conservative. Consider instead a spring that obeys Hook's law and has one end fixed at origin.
What is the final temperature when .032kg of milk at 11C is added to .16 kg of coffee at 91C. suppose the specific heat capactieis of the two liquids are the same as water, and disregard any energy transfer to the liquid's surroundings.
A certain car battery with a 12.0 V emf has an initial charge of 115 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how various hours can it deliver energy at the rate of 110 W.
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
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