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A 3.0 kg block rests on a 30 degree slope and is attached by a string of neglible mass to a sold drum of mass 0.80 kg and radius 10.0 cm, sliding down at an acceleration of 0.85 m/s^2.
a) Find the coefficient of friction between block and slope.
b) Find the angular accleration of the drum.
c) What is the total energy of the drum and block after sliding down the slope of 6.0 m? Use Newtons Law of work or Wor-Energy to approach.
In order to measure the radial velocity of a star (the speed of motion towards or away from us) what type of instrument would be used and how would the data be used to derive the velocity?
A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, determine the velocity of the combined bodies
A 500g model rocket is on a cart that is rolling to the right at a speed of 3.0m/s. The rocket engine, At what horizontal distance left of the hoop should you launch
It is desired to build a heat pump that has an output temperature of 31 °C. Calculate the maximum coefficient of performance for the pump when the input source is ground water at 8.1 °C
A radio tuner is built by connecting an L=0.48mH inductor and variable capacitor in series with an antenna. What is the quality factor of the circuit with the capacitance you found
The following takes place with inelastic collision. Ball 1 travels up with a mass of 3 Kg and a velocity of 20 m/s. How high do the balls travel after the collision
A very long, straight solenoid with a cross-sectional area of 6.15 is wound with 30 turns of wire per centimeter, compute the average induced emf in the secondary coil
Find the Youngs modulus for the muscle tissue
Four 6.50 kg spheres are located at the corners of a square of side 0.68 m. Calculate the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
What is the magnitude of the acceleration of a modified Atwood machine if the mass of the cart is 3 kg and the hanging mass is 4 kg? (Use g = 9.8 m/s2. Express your answer to one decimal point.)
Find the maximum altitude reached by the rocket.
A tiny 0.0250 -microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced metal plates, Which plate must be positive, the upper one or the lower one
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