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A uniform 1-kg disk with a radius of 25 cm rolls 2 m down an incline plane angled at 25°. What is the speed of the disk at the bottom of the plane?
A 16 g rifle bullet traveling 180 m/s buries itself in a 3.5kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. find the horizontal component of the pendulum's maximum displacement.
A thing, rigid, spherical shell with a mass of 4.00 kg and diameter of 0.200 m is filled with helium at 0 degrees celsius and 1 atm pressure. It is after that free from rest on the bottom of a pool of water that is 4.00 m deep.
To measure signal propagation in a nerve in the arm, the nerve is triggered near the armpit. What is the speed of propagation along this nerve
A glass plate (n=1.62) is coated with a thin, transparent film (n=1.27). Light reflected at normal incidence is observed as the wavelength is varied continuously. Find the thickness of the film
A 1.2kg block slides along a frictionless surface at 1.5m/s . A second block, sliding at a faster 4.8m/s, what is the mass of the of the second block
An asteroid is discovered heading straight toward Earth at 13km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 mins, after which the asteroid is moving at 28 degrees to its original path at a..
A parallel plate capacitor has plates of area A and seperation of d and is charged to a potential difference of V.Derive expressions for the new potential difference
A very hard rubber ball (m = 0.7 kg) is falling vertically at 9 m/s just before it bounces on the floor. find the average force exerted by the floor on the ball
Calculate the total time for car A to travel the 15.0 m and after the collision, car B moves to the right at a speed of 4.8 m/s. Calculate the velocity of car A after the collision.
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
You are given a pendulum composed of a 0.028 kg mass on the end of a 0.47 m long massless string. compute the tension in the string when the mass is at the release point, ? = 48°
A freshly prepared sample of a certain radioactive isotope has an activity of 11.2 mCi. After 4.40 h, its activity is 8.00 mCi. Find the decay constant
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