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A rifle is aimed horizontally at a target 1,699.92 m away. The bullet hits the target 2.18 inch below the aim point. What is the bullet's time of flight?
During takeoff, an airplane climbs with a speed of 160 m/s at an angle of 24 degrees above the horizontal. How fast is the shadow of the plane moving along the ground
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.542, How much force is needed to keep the book moving at constant speed once it begins moving
Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). Find the final temperature (in °C) of the water after equilibrium is reached
A battery's ideal voltage is 12.0 V; its internal resistance is 1.46 ohms. what is the actual voltage supplied by the battery
5.0kg of water at 32?C is mixed with 5.0kg of water at 52?C in a well-insulated container. Estimate the net change in entropy of the system
Two astronauts are, 4.86 m apart in their spaceship, speaking to each other. How far away from the Earth is the spaceship
A 720-kg race car can drive around an unbanked turn at a maximum speed of 43 m/s without slipping. The turn has a radius of 160 m, What is the coefficient of static friction between the track and the car's tires
The 60kg cradle A is carrying the 12 kg pipe B at the speed of 8 m/s when it hits the rigid wall. suppose all the impacts are plastic, determine the speed of the pipe immediately after the impacts. Neglect friction.
A wave on a string is described by the equation y = (4.2 mm)cos(3000t 0.45x) where t is measured in s and x is measured in mm
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. How long (s) is he in the air
An oscillator with a mass of 420 g and a period of 0.900 s has an amplitude that decreases by 1.90 percent during each complete oscillation.
A light source emits two spectral lines: one at 473 nm and one at 722 nm. what is the distance between the two spectral lines in the first order spectrum
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