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A balloon carrying a basket is descending at a constant velocity of 20.0m/s. A person in the basket throws a stone with an initial velocity of 15.0m/s horizontally perpendicular to the path of the descending balloon, and 9.00s later this person sees the rock strike the ground.
How far horizontally does the rock travel before it hits the ground?
L= __________ m
At the instant the rock hits the ground, how far is it from the basket?
d=___________ m
What mass (in grams) of steam at 100°C must be mixed with 403 g of ice at its melting point, in a thermally insulated container, to create liquid water at 87°C? The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg, and..
An 8 g bullet leaves a gun at 700 m/s.? what is the maximum height that this bullet could reach
An airplane travels x = 4.50 x 10^2 km due east and then travels an unknown distance y due north. Finally, it returns to its starting point by traveling a distance of r = 525 km. How far did the airplane travel in the northerly direction.
What is the final angular velocity
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At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. calculate the radius of a chamber
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
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You are standing on a scale inside an elevator. The scale reads 23 percent less than your weight. obtain the acceleration of the elevator
What is the total charge on Earth's surface implied. explain the strength and direction of an electric field.
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
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