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A 20.0 g bullet strikes a0.592 kg block attached to a fixedhorizontal spring whose spring constant is 6.69 103 N/mand sets it into vibration with an amplitude of 21.1 cm. What was the speed of the bullet before impact if the two objects move together after impact?
m/s
An object is dropped from rest from a height of 4.1 multiply.gif 107 m above the surface of the Earth. what is its speed when it strikes the Earth?
An aluminum wire is 20m long and has a radius of 2mm = 2x10^-3 m. The linear limit for aluminum is 0.6x10^8 N m^-2. a.) how large a tension force must be applied to stretch the wire to its linear limit? b.) how much will the wire stretch when this fo..
The distance between points A and B along the open flow path is 500 ft. Calculate the total head loss between points A and B. Assume A and B are at the same elevation.
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck, What is the speed of the truck when they are abreast, How far was the automobile behind the truck initially
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. How fast are the waves traveling
A circuit is connected in parallel with two capacitor C1=6F and C2=3F with seperate switches S1,S2 and has a voltage of 20V. capacitor C1 is first charged by closing switch S1. switch S1 is then opened , and charged capacitor is connected to the un..
question1an electron is a subatomic particle that is subject to electric forces. an electron moving in x direction
Two objects of weight W1 and W2 are placed on a frictionless inclinced plane are connected by a massless string looped over a massless pulley. Find the acceleration of the two objects
Please explain why the emission of the electrons doesn’t occur when the wavelength of incident radiation is set to the maximum value (for example 799.9 nm for lead)?
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
A cloud mass moving across the ocean at an altitude of 2000 m encounters a coastal mountain range. As it rises to a height of 3500 m to pass over the mountains, it undergoes an adiabatic expansion.
A thin film of oil (n = 1.24) is located on a smooth, wet pavement. When viewed perpendicular to the pavement, How thick is the oil film
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