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A particle moves on the x axis under the influence of a force, proportional to its distance from the origin, attracting it toward the origin. The particle starts from rest at x = 10 cm and reaches x = 5 cm for the first time after 2 s. Find: a. the particle's position at any time t after it starts. b. the ampIitude, period, and frequency of its motion.
q1. a 3.55-kg object is thrown vertically upward from the surface of mercury where the acceleration due to gravity is
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end, What is the skier's launch speed
A particle with a mass of 3.8 × 10-20 kg is oscillating with simple harmonic motion with a period of 3.9 × 10-5 s, calculate the maximum displacement of the particle
question1if an astronaut can throw a certain wrench 12.0rm m perpendicularly upward on earth how high could he throw it
Illustrate what angular speed must such a cylinder have so that the centripital acceleration at its surface equals the free-fall acceleration on Earth?
When an x-ray photon with wavelength = 0.070nm strikes an electron at rest, What is the maximum angle through which it may be scattered
Four particles, one at each of the four corners of a square with 3m-long edges, are connected by massless rods. The masses of the particles are m1 = m3 = 4kg and m2 = m4 = 5kg. Determine the moment of inertia of the system about the z axis.
On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street.
The potential difference between the ends of a resistor is 9 V and the rate of energy dissipation in it is 18 W. What is the value of that resistor
A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, What is the speed and direction of the third piece
What is the gravitational force between two 20 kg iron balls separated by a distance of 0.5m? The gravitational constant is G = 6.67×10^-11 N-m^2/kg^2
A fully charged capacitor with a voltage of 120 V is discharged through a resistor. What is the voltage across the capacitor at the end of five time constants
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