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To make a bounce pass, a player throws a 0.60 kg basketball toward the floor. The ball hits the floor with a speed of 6.5 m/s at an angle of 82 degrees from the vertical. If the ball rebounds with the same speed and angle, what was the impulse delivered to it by the floor?
In a "Rotor-ride" at a carnival, people pay money to be rotated in a vertical cylindrically walled "room." what is the minimum coefficient of static friction so that the people will not slip down
A certain automobile engine is performing work at the rate of 28300 W (38 hp) with an efficiency of 23%. At what rate is heat being expelled by the engine
The area of a typical eardrum is about 5.0 × 10?5 m2. (a) Calculate the sound power (the energy per second) incident on an eardrum at the threshold of hearing. W (b) Calculate the sound power incident on an eardrum at the threshold of pain. W
A heat engine does 502.23 J of work per cycle while exhausting 94.69 J of waste heat. What is the engine's thermal efficiency in percent
Consider the circuit shown with C1=5 microfarads C2=3 microfarads, and V0=10V. The switch S is originally closed downward so that the capacitor C2 is fully charged by the battery V0. a. find the charge C2 b. The switch is then moved to the upper posi..
The terminals of a generator are connected to inductors. Inductor 1 is equal to 30.0 mH and the second inductor has a value of 60.0 mH. What is the value of the third inductor
Calculate the electric force that exists between two objects that are 0.500m apart and carry charges of 0.00450C and 0.00240C. Is this force attractive or repulsive
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of 9 grams of argon is raised by 75 K under conditions of constant pressure. Assuming that argon is an ideal gas, evaluate how much heat is required? J
After that, specify which muscles are pulling on which bones and what type of joints is involved in lifting the glass. (Part two) at last, trace the path of the water from the mouth to the urethra, detailing gastrointestinal and renal / urinary an..
a spaceship is heading toward a planet. while descending to the surface its rockets produce 25 kn of upward thrust and
A 720 gram grinding wheel 30.0cm in diameter is in the shape of a uniform solid disk. What torque does friction exert while this wheel is slowing down
machine part rotates at an angular speed of 0.46 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.59 rad/s2
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