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Q1. A 77 person stands on the uniform ladder 4.0 long, that weighs 100. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only the normal force.
Q2. A robot catches a ball 12.60 s after throwing it vertically upward. Neglecting air resistance, what height (in m) did ball reach?
Q3. FM frequencies range between 85 MHz and105 MHz and travel at 2.99792 × 10^8 m/s. What is the shortest FM wavelength? Response in units of m.
If the contact time with the sidewalk is 1800s, what is the magnitude of an average force exerted on the superball by the sidewalk.
A 61 kg speed skater with the velocity of 16 m/s comes into a curve of 18 m radius. How much friction should be exerted between skates and ice to negotiate the curve.
What time would an observer on one of the two planets measure for the similar trip. Find out the coordinates of the center of gravity for this system.
A hollow aluminium cylinder is to be fitted over a steel piston. At 22°C the inside diameter of the cylinder is 99.2 percent of the outside diameter of the piston. To what common temperature must the two pieces be heated in order that the cylinder ju..
Assuming the diver has inhaled a negligible amount of air from the tank, what is the temperature of the ocean water.
What is the value of g at the location of this satellite. Discover the altitude of the satellite in meters.
The distance between deer B and C is 92 m. What is distance between deer A and C.
Using the equation F=m v^2/r for a force an object in circular motion. Find the radius r of motion of a m=1.6 kg ball travelling in a circular path acted upon by a centripetal force F=7N.
What is voltage difference between floor and hover-board
What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions w..
Determine Maximum wavelength and Minimum wavelength. How various penguins of mass 16 kg each can stand on the ice block before they find their feet wet.
Which of the planets fits the following description: "a solid, cool surface, with occasional dust clouds and a thin CO2 atmosphere".
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