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1. A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car 2. A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s2. Determine the time for the feather to fall to the surface of the moon.
Standing on the surface of planet zork (which has mass M_z and radius R_z) you throw a rock(mass m straight up). At what speed was it thrown
a 10000 car comes to a bridge during a storm and finds the bridge washed out. the 750 driver must get to the other side
A rectangular block of copper has sides of length 10 cm, 20 cm and 40 cm. what is the maximum current the block can carry
What imperfection in the operation of the eye causes farsightedness? What type of lens is used to correct this? What imperfection in the operation of the eye causes nearsightedness? What type of lens is used to correct this?
When the film appears to be dark under a red light (=685 nm) for the first time, no further addition of the oil is made. What color, measured in wavelength, will the film appear to be if the glass is directly under the sun light?
How many deBroglie wavelengths are required to span the circumference of this orbit? What does this say about the possibility of actually achieving this orbit?
One type of cuckoo clock keeps time by having a mass bouncing on a spring, usually something cute like a cherub in a chair. What force constant is needed to produce a period of 0.763 s for a 0.0145 kg mass?
How does tangential speed compare? Why are your answers different - The original cloud was far larger than the present size of the galaxy, was more or less spherical.
A plane accelerating at 5m/s2 drops a package when it's velocity is 20m/s at a height of 200m. How far behind the plane does the package drop? (take g = 10m/s2) Please explain.
A 9.23-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
A hospital patient receives a quick 500-cc blood transfusion during a needle with a length of 5.0 cm and an inner diameter of 1.0 mm. If the blood bag is suspended 0.85 m above the height where the blood where the blood first starts to flow into the..
Two tiny conducting spheres are identical and carry charges of -23.9C and +40.6C. They are separated by a distance of 3.63 cm. (a) what is the magnitude of the force that each sphere experiences?
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