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Explain the validation of Newton's laws in an inertial framework by bringing examples of absolute and relative movements.
35-mm camera has a single thin lens having a 50.0-mm focal length. A woman 1.7 m tall stands 10.0 m in front of the camera, (a) Show that the lens-film distance must be 50.3 mm.
In addition, the snow exerts a retarding force on the sled that points opposite to direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
A mountaineer uses a global positioning system receiver to measure his displacement from base camp to the top of Mount McKinley, what is the displacement in going from base camp to the top
a 70 block of iron is removed from an 800furnace and immediately dropped into 200 of 20 water. what fraction of the
What is the wavelength of the waves emitted by source? What is the difference in frequency between directly radiated waves and the waves reflected from a whale travelling straight toward the ship at 4.99? Suppose that the ship is at rest in the water..
A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. What is the horizontal distance which the projectile travels before it hits the ground
A 2.5-kg cart is rolling along a frictionless, horizontaltrack towards a 1.5-kg cart that is held initially at rest. Thecarts are loaded with strong magnets that cause them to attract oneanother. Thus, the speed of each cart increases.
Mary needs to row her boat across a 60m wide river that is flowing to the east at a speed of 1.0 m/s. If Mary rows straight north, how far downstream will she land
Two airplanes leave an airport at the same time. The velocity of the first airplane is 730 m/h at a heading of 20.5 degrees. How far apart are they after 2.5h
a bowling ball mass 4.9 kg radius 0.11 m and a billiard ball mass 0.37 kg radius 0.028 m may each be treated as
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. find the coefficient of friction between the mass and the surface
A woman of massm=50.1kg sits on the left end of a seesaw-a plank of lengthL=3.99m-pivoted in the middle, Find the normal force exerted by the pivot if the plank has a mass ofmpl=10.2kg
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