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Q. A 1050 kg car carrying four 84kg people travels over a rough "washboard" dirt road with corrugations 4 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude when its speed is 24 km/h. The car now stops, and four people get out. By how much does car body rise on its suspension owing to this decrease in weight?
Q. A speedy tortoise can run at 0.01 meters per second and a hare can run 21 times as fast. In a race they both start at the same time; however the hare stops to rest for 1.50 minutes. So the tortoise wins by a shell (20 cm).
How long is race? How long is the path?
A body of mass 200 g is acted upon by a force of 20 n. Find the acceleration of the body. If the body above is having a volume of 1000 cm3 estimate its density in kg/m2.
what is the speed of the proton in the beam.define the spread in these values.
Compute magnitude of the average emf
An asteroid is discovered heading straight toward Earth at 14km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 {rm min}, after which asteroid is moving at 26^circ to its original path at a..
How much is the spring compacted
Define proton-proton chain efficiently
What is lemmings kinetic energy
A major-league pitcher can throw a baseball in excess of 41.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 18 m away from the point of release.
Calculate the pressure at the center of pipe A. Suppose T = 10?C.
A 12-inch cast iron water pipe that has been in service for 50 years is found to have extensive corrosion inside. How these conditions would affect friction losses in the pipe describe it.
A concrete highway is built of slabs 8.0 m long (20°C). How wide should expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is -35°C to +45°C.
The potential at the center of a uniformly charged ring is 52 kV, and 15 cm together the ring axis the potential is 41 kV. Find the ring's radius and its total charge.
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