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A 0.500 kg length of copper wire is warmed 30.0°C by the passage of electrical current. How much heat was generated by the current flow? The specific heat of copper is 0.093 cal/(gâ??°C) Provide your answer in calories.
After sliding across the horizontal surface, the block of mass M collides elastically with a vertical rod of length R and mass MR that is pivoted at the upper end. What is the maximum displacement angle
The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet, find the acceleration due to gravity on the Pink Planet\'s surface by means of a simple pendulum of length 1.06 m
An unhappy rodent of mass 0.310kg , moving on the end of a spring with force constant 2.50N/m, If the constant b has the value 0.901kg/s, what is the frequency of oscillation of the mouse
A rod of length ? with uniform charge per unit length ? , where ? > 0, is placed a distance d from the origin along the x axis, The segment is at a distance x from the origin, Determine the electric field
An airplanes airspeed (relative to still air) is 135 mph. The wind speed relative to the ground is 37 mph and is directed at theta = 51 deg
A pair of oppositely charged parallel plates are separated by a distance of 5 cm with a potential difference of 550 V between the plates. A proton is released from rest at the positive plate at the equal time that an electron is released from rest..
The engine of a large ship does 2.10 ? 108 J of work with an efficiency of 4.00%. How much waste heat is produced
Light of wavelength 619 nm is incident normally on a diffraction grating. Two adjacent maxima occur at angles given by sin ? = 0.20 and sin ? = 0.32. The fourth-order maxima are missing, What is the separation between adjacent slits
Three point charges are arranged along the x axis. Charge q1= -4.70 nC is located at x= 0.200 m and charge q2 = 2.20 nC is at x = -0.340 m. A positive point charge q3 is located at the origin.
A chair of mass 13.0kg is sitting on the horizontal floor; the floor is not frictionless, Use Newton's laws to calculate the normal force that the floor exerts on the chair
You work for a moving company and are given the job of moving two crates (masses are 130kg and 280kg) held together by a rope attached between the two. You pull on a rope attached to the larger crate giving the system the acceleration of 0.29m/s2. Wh..
find the velocity of their center of mass before the collision.
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