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A diver 32.0 m deep in 8.00 °C fresh water exhales a 1 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where water temperature is 25°C? Hint: suppose the air bubble is always in thermal equilibrium wit..
An object is placed two focal lengths from a diverging lens. What is the magnification and location of the image.
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
Explain how much waork has been done against gravity when the crate is raised a vertical distance of 2.19 m? The coefficient of friction is 0.316.
A parallel-plate capacitor has square plates of edge length 1.8 cm and a plate spacing of 0.018 mm. If the gap between the plates is a vacuum, what is the capacitance?
Sam's speed at the bottom is 35.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
A large wooden turntable in the shape of a flat uniform disk has a radius of 2.00 m and a total mass of 120kg. The turntable is initially rotating at 3 rad/s about a vertical axis through its center.
The loaded cab of an elevator has a mass of 3.0 x 10^3 kg and moves 145 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab.
A light source, S, is located 2.60m below the surface of a swimming pool and 1.30m from one edge of the pool. The pool is filled to the top with water.
A stone is thrown upward with an initial speed of 20 m/s. What is its acceleration at the highest point of its trajectory?
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