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A solid uniform marble and a block of ice, each with the same mass, start from rest at the same height above the bottom of a hill and move down it. The marble rolls without slipping, but the ice slides without friction.Find the speed of each of these objects when it reaches the bottom of the hill. Which is moving faster at the bottom of the hill?which has more kinetic energy at the bottom?
Oscillation of a 500 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 430 m/s. What is the length of the string
A car initially traveling at 24.3 m/s undergoes a constant negative acceleration of magnitude 1.40 m/s2 after its brakes are applied. What is the angular speed of the wheels when the car has traveled half the total distance
A jet lands at 54.4 m/s, the pilot applying the brakes 2.45 s after landing. Find the acceleration needed to stop the jet within 5.17 x 10^2 m after touchdown.
Assuming that the magnetic field of the earth has magnitude of 5x10^-5 T at the equator and is parallel to the surface of the earth and that the current in the wire flows toward east
Calculate the total amount of energy that flows into the space between the capacitor plates from to , by first integrating the Pointing vector over the surface that connects the edges of the two circular plates, and then integrating over time.
How far up the incline will the skier move if the coefficient of kinetic friction between the skies and snow is 0.101
Unpolarized light with an intensity of 275 W/m2 passes by the two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. What is an intensity of the light transmitted through both polarizers.
Three capacitors are connected as follows: 3.74 F capacitor and 4.52 F are connected in series, What is the capacitance of the total combination
The metallic sphere on top of a large van de Graaf generator has a radius of 2.0 m. Suppose that the sphere carries a charge of 3x10-5 C. How much energy is stored in this device
The velocity vs. time curve of an object is an increasing straight line. You observe when the time is 1 second that the velocity is equal to 3 m/s, What is the acceleration of the object
When rolling a ball down an inclined plane, the ball rolls 1 cubit in ten seconds. How far will the ball have rolled from its starting point after 20 seconds
An astronomical telescope is designed with an overall magnification of 80x. The objective has a focal length of 98.0 cm. How far should the eyepiece be from the objective
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