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Two cars emerge side by side from a tunnel. Car C is traveling with a speed of 60 km/h and has an acceleration of 40 km/h/min. Car D has a speed of 40 km/h and has an acceleration of 60km/h/min. Find which car is passing the other as they come out of the tunnel?
A pebble rolls off the roof of a building and falls vertically.Just before it reaches the ground, the pebble's speed is 17 m/s. Determine the height of the building
A concave mirrior is to form an image of the filament of a headlight lamp on a screen 8.00 m from the mirrior. The filament is 6.00 mm tall, Is the image upright or inverted
a 5000kg rocket takes off from the surface of the earth with an initial speed of 20m/s. determine the acceleration of the rocket
If a personal pan pizza (6 inches in diameter) has 590 calories, determine how many calories would you consume if you were to eat a large size pizza (16 inches) by yourself
In a particular region of the earth's atmosphere, the electric field above the earth's surface has been gauged to be 150 N/C downward at an altitude of 240 m and 165 N/C downward at an altitude of 404 m. Compute the volume charge density of the atmos..
1 a piece of aluminum of mass .2kg at temperature .2kg at temperature 20c is placed in beaker containing 1.5 kg of
A surface encloses the charges q1= 3.2 µC, q2 = 6.9 µC, and q3 = -4.1 µC. Find the electric flux through the surface
In a period of 1 s, 4.00 x10^23 nitrogen molecules strike a wall with an area of 6.30 cm2. If the molecules move with a speed of 300 m/s and strike wall head-on in elastic impacts, what is the pressure exerted on the wall? (The mass of one N2 mole..
A 560N force is pulling a 105.0kg crate across a horizontal floor. The force acts at an angle of 34.0o above the floor. find the work done by the pulling force
On the planet Zardem, the standard unit of time is the Zarsec, or Zs, where 1 Zs = 2.2s. how fast is the runner traveling
You are designing the section of a roller coaster ride shown in the figure. Previous sections of the ride give the train a speed of 12.5 m/s at the top of the incline, which is 38.3 m above the ground. What is the minimum radius you can use for the..
A 2.40-m-long string is under 29.0 N of tension. A pulse travels the length of the string in 60.0 ms. What is the mass of the string?
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