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Two tractor trailers, each 13m long and 4.0 m tall, are parked next to each other as shown in (Figure 1). A light wind that is blowing at 5.0 m/s in the parking lot but at 20 m/s among the trailers causes the air pressure among them to drop what is the magnitude of the force exerted with the air on each trailer? (Use 1.0 kg/m3 for the air mass density.)
A 100-m-long train accelerates uniformly from rest. If the front of the train passes a railway worker 166-m down the track at a speed of 21 m/s, what will be the speed of the last car as it passes the worker.
You are driving home from school steadily at 80 for 150. It then begins to rain and you slow to 50. You arrive home after driving 3 hours and 20 minutes.
A radio station broadcasting on a frequency of 106 MHz is received with an astronaut headed toward the station at a speed1.0×107 m/s. To what frequency should the astronaut's radio be tuned?(MHz)
How do you measure the mass of an astronaut in orbit? (You can't just use a scale!) For the Skylab program, What is the mass of the astronaut
two resistors have resistances rsmaller and rlarger where rsmaller lt rlarger. when the resistors are connected in
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. What is the radius of the brass ball
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. What is the translational speed of the object
A bowling ball (mass = 7.2 kg, radius = 0.10 m) and a billiard ball (mass = 0.42 kg, radius = 0.028 m) may each be treated asuniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
Important information about Initial kinetic energy of the object Point A is situated at the bottom of a rough plane which is inclined at 45 degrees to the horizontal. A body of mass 0.5 kg is projected from A along and up the line of greatest slop..
A(n) 1340 kg car moving with a speed of 16.6 m/s collides with a utility pole and is brought to rest in 0.299 s
The 4.83- kg weight that drives the time mechanism of a grandfather clock descends 27 cm in exactly 24 hours.
A neutrino must pass within about 10^-18m of a quark to have any chance of interacting with it. estimate the average distance (in light years) that a neutrino would travel through the lead before it interacts
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