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Height of the wall = 12 meters (vertical leg of the triangle) Length of the ladder = 13 meters (hypotenuse of the triangle) Distance of the ladder's base from the wall = ? (horizontal leg of the triangle) We can apply the Pythagorean Theorem: (Base)² + (Height) ² = (Hypotenuse) ² Let the base = x meters x² + 12² = 13² ⇒ x² + 144 = 169 ⇒ x² = 169 – 144 = 25 ⇒ x² = 25 ⇒ x = 5 m.
What is the angle between centripetal acceleration and tangential acceleration?
The electric and magnetic fields of an electromagnetic wave are _____________
A body starts from rest and accelerates uniformly. After t seconds, it covers a distance S. What is the ratio of the distance covered in the first half ...
During which type of motion does an object along a straight line have zero change in velocity for any time interval?
Newton’s second law of motion primarily explains which of the following?
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is –
What is found in frequency modulation?
In a diatomic gas at ordinary temperatures, how many degrees of freedom contribute to internal energy?
In a convex lens, when the object is at infinity, then the position of image is ______.
A block of mass 10 kg is on a horizontal table with friction coefficient μ = 0.2. A mass of 4 kg is suspended from a frictionless pulley attached to th...
