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A water slide launches a child horizontally above a swimming pool.vertical distance from the top of the slide to the launch point is 3.87 m.The point where the child is launched horizontally is 0.99 m above the water.How far from the launch point does the child land in the water?
When 2.1 mol of oxygen (O2)gas is heated at constant pressure starting at 0°C, how muchenergy must be added to the gas as heat to quadruple its volume? (The molecules rotate but donot oscillate.)
a boat travels between three islands. it sails from the first island to the second 4.10 km away in a direction 37.0deg
Imagine that you calibrate a constant-volume gas thermometer in dry ice which has a temperature of -80.0°C and the pressure reading is 0.900atm. What is the pressure reading at the boiling point of water
A balloon contains 5.0 L of oxygen gas at 1.0 atm and 20oC. How much work is done in compressing the balloon at constant pressure until its volume drops by 10 % ? Express your answer to two significant figures and include the appropriate units.
A lamp (R = 146 ), an electric heater (R = 24 ), and a fan (R = 49 ) are connected in parallel across a 122 V line. What is the voltage across the fan
A 0.247 kilogram ball is approach a player horizontally with a speed of 15.7 m/s. find what is the magnitude of the average force
If you triple the distance between two charged objects, by what factor is the electric force affected
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is ?s = 0.571, what is the sled\'s acceleration
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.565 m from the axis of rotation of the stool. What is the initial angular momentum of the system
a charge q is uniformly distributed throughout a nonconducting sphere of radius r.a what is the magnitude of the
An LC circuit consists of a 2.87 mH inductor and a 4.85 μF capacitor. Find its impedance at 56.1 Hz.
A student attempts to "levitate" a piece of current-carrying wire using the Earth's magnetic field (55 T). Calculate the rate of heat production in the wire
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