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A hare and a tortoise compete in a race over a straight course 1.50 km long. The tortoise crawls at a speed of 0.210 m/s toward the finish line. The hare runs at a speed of 7.95 m/s toward the finish line for 1.200 km and then stops to tease the slow-moving tortoise as the tortoise eventually passes by. The hare waits for a while after the tortoise passes and then runs toward the finish line again at 7.95 m/s. Both the hare and the tortoise cross the finish line at the exact same instant. Assume both animals, when moving, move steadily at their respective speeds.
How far is the tortoise from the finish line when the hare resumes the race?
q1. a highway curve of radius 500 m is designed for traffic moving at a speed of 96.0 kmhr. what is the accurate
A 0.9 inch tall clock is 24 cm in front of a diverging lens which has a focal length of -33.5 cm. Paying attention to sign, answer the following questions. a. What is the image distance? cm b. What is the image's height?
A plane is flying in the horizontal plane. At time t1 = 0 s with the components of its velocity are vx= 100 m/s and vy = 120 m/s. At time t2= 20 s the components are vx = 80 m/s and vy = 142 m/s.
On a day of 30 degrees celcius, full sun, how hot would a granite paver get? Will a dark grey one get much hotter than an off white coloured one.
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the speed of a transverse wave on a string is 479 ms while the wavelength is 0.257 m. the amplitude of the wave is 2.06
The wheel weighs 70 kg, and is 120 cm in diameter. you mount the wheel by its central axis, What is the angular velocity of the wheel at the end of the fall
Consider a particle of spin 1/2 in a magnetic field B= (0, 0,B0). If the initial spin state of the electron is X+ = (1,0), then the Larmor precession:
An astronaut travels from a distant star to the Earth at speed 0.992c. What is the distance from the star to the Earth as measured by an observer on the Earth
Agent Arlene devised the following method of measuring the muzzle velocity of a rifle. She fires a bullet into a 4.600-kg wooden block resting on a smooth surface, What is the speed v of the bullet
An insulating sphere of radius 5.00 cm centered at the origin, has a uniform volume charge density 3.08 uc/m^3. What is the electric field inside the spherical shell at 3.12 cm
To cook a stew, you use a 4-mm thick steel pot with a bottom surface area of 100 cm2. The heating takes place from a 500oC source. Determine the heat transfer to the stew
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