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A cumin canister of mass m = 0.4 kilogram slides across a horizontal frictionless counter with speed v = 0.5 m/s. It then runs into and compresses a spring of spring constant k = 750 N/m. When the canister is momentarily stopped by the spring, obtain by what distance is the spring compressed?
A wagon is rolling forward on level ground where friction is negligible. The person sitting in the wagon is holding a rock (m= 0.300 kg). The total mass of the wagon, person, and rock is 95.0 kg. Initially the wagon is rolling forward at a speed pf m..
The ballistic pendulum was used to measure the speeds of bullets. It consists of a large block of wood of mass M = 5.4 kilogram, hanging from two long chords. Find the speed of bullet just prior to collision
A skateboarder slides down a frictionless ramp inclined at an angle of 30 degree to the horizontal. Obtain how far up the second incline will him go
A baseball is thrown with a velocity of 31 m/s at an angle of 40o from a height of 1.8 meter. Find the vertical and horizontal velocity components
The mass of the Moon is 7.4 x 10^22 kilogram and its mean radius is 1.75 x 10^6 meter. Find the acceleration due to gravity at the surface of the Moon
The volume rate of a flow in a horizontal pipe is 4.0 L/s. The diameters of the pipe at points A and B are 4.0 cm and 5.0 cm, respectively. Discover a) the speeds of the flow at points A and B; b) the dissimilarity in pressure between the two points,..
The gravitational attraction between two objects varies directly as the product of their masses and inversely as the square of the distance between them. Determine the force of attraction between two spheres
A grandfather clock is controlled by a swinging brass pendulum that is 1.1 m long at a temperature of 30.°C. What is the length of the pendulum rod when the temperature drops to 0.0°C?
Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.50 cm, its potential energy is 0.0025 J.
Find what average power beaded to accelerate a 650 kilogram car from 0 to 65 mi/h in 5.5 s? Suppose that all forms of frictional losses can be ignored
The motion of an object is described by the equation x = (1.9 m) cos(?t/3.5), What is the frequency of the motion
A candle is held 6.0 cm from the surface of a reflecting ball, and its image appears three-quarters of its actual size. What is the diameter of the ball
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. How close are the two charges
a 90 ohm resistor has a current of .6A and is connect in series with a 150 ohm resistor. What is the emf of the battery to which the resistors are connected
Speakers A and B are vibrating in phase. They are directly facing each other, are 8.0 m apart, and are each playing a 76.0-Hz tone. The speed of sound is 343 m/s. On the line between the speakers there are three points where constructive interfere..
question 1. plot on a single graph the lennard-jones potential uu using the parameter sets i ai2 ei2 ii g23 623 and iii
A string wound around a cylinder of 10 cm radius has has a 150 gram mass attatched. When released, the mass accelerates at 500 cm/second. what is the angular acceleration
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
A hydrogen atom in its ground state is excited to the n = 5 level. It then makes a transition directly to the n = 2 level before returning to the ground state. What are the wavelengths of the emitted photons
Show that the Earth's orbit will be a parabola (and so the Earth will escape to infinity) and If the Sun's mass suddenly doubles, what will be the Earth's orbital period?
At rush hour, the noise from a highway is 10?4 W/m2 with 100 cars passing a given point a minute. At night the average noise is reduced to 10?6 W/m2. How many cars are now driving on the highway?
A massless spring with spring constant 9.60 N/m hangs vertically. A body of mass 2.70 kg is attached to its free end and then released. Calculate the amplitude of the motion and frequency
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