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A block is on a horizontal surface (a shake table) that is moving horizontally with a simple harmonic motion of frequency 2.35 Hz. The coefficient of static friction between the block and the plane is 0.630. How great can the amplitude be if the block does not slip along the surface?
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
Illustrate what is the basis for the industry's legal duty to the surrounding community? In other words, illustrate what is the legal source of the industry's legal duty?
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
In a college homecoming competition, eighteen students lift a sports car. Though holding the car off the ground, each student exerts an upward force of 390 N. What is the mass of the car in kilograms? What is its weight in pounds.
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.00 106 m/s. What is the distance of closest approach
A 1.2 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. What is the kinetic energy of the block
Let the mass of the star be 1.98 × 1030 kilogram and the power be 8.52 × 1027 Watt. evaluate what is the radius of this particle
a boat is traveling at 3.1rm ms in the same direction as an ocean wave of wavelength 30 rm m and speed 6.8 rm mrm s. if
An astronomical telescope is designed with an overall magnification of 45x. The objective has a focal length of 84.0 cm. What should be the focal length of the eyepiece
A 1200-kg car is being unloaded by a winch. At the moment shown in figure 9-46, the gearbox shaft of the winch breaks, and the car falls from rest. Find the speed of the car as it hits the water
A 0.75 kilogram ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 meter on a frictionless horizontal surface. find what is the maximum speed the ball can have
An experiment is conducted to investigate the photo electric effect. When light of frequency 1.0 x 10 15 Hz isincident on a photocathode, electrons are emitted.
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