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A steel ball of mass 0.400 kg is fastened to a cord that is 60.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 3.00 kg steel block initially at rest on a frictionless surface. The collision is elastic.
(a) Find the speed of the ball just after collision.
m/s
(b) Find the speed of the block just after collision.
A diver 50 m deep in 10 degrees Celsius fresh water exhales a 1.2 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 35 degrees Celsius? Suppose that the air bubble is always i..
A series RLC circuit consists of a 50ohm resistor, a 3.3 mH inductor, and a 480 nF capacitor. What is the instantaneous current i when e=e_0
The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Can anyone please help me figure out this question, thanks in advance. What is the magnetic force exerted on a 2.85 m length of wire carrying a current of 0.595 A
Consider light with an initial intensity, I0. Calculate the fraction of light that gets through the following setups: (a) A single polarizer, (b) Two polarizers with their transmission axes 30 degrees apart
A cube is constructed of six copper plates joined at the edges by an insulating material. find the electrical potential in the center of the cube
An object is placed 9.30 cm in front of the cornea. he image formed by the cornea serves as an object for the lens. Treat the lens as a thin lens 7 mm behind the cornea. Find the optical power of the lens necessary to form an image on the retina
Suppose you aim to suspend in air a perfectly reflecting 4cmx4cm surface, with mass m = 0.00045kg. What intensity of light must you shine on it
What is the frequency of the small axial oscillations that the electron will undergo if it is free along the z-axis near the origin.
Calculate the linear acceleration of a car, the 0.310 m radius tires of which have an angular acceleration of 15.0 rad/s2. Assume no slippage. What is the final velocity of the car
a dog is walking slowly toward a motion detector. Draw a position graph that could represent this motion. Show your work.
A wheel with radius 43.9 cm rotates 4.27 times every second. Find the period of this motion.
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