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An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle.
(A) What is the bundle's initial vertical component of velocity?
(B) What is the bundle's initial horizontal component of velocity?
(C) What is its horizontal component of velocity just before hitting the ground?
A race car is moving with a velocity of 144 kilometers/hour. The driver applies the brakes, and the car comes to a halt in 12.0 seconds. What is the acceleration of the car after 12.0 seconds? A. -12 m/s^2 B. -3.3 m/s^2 C. 3.3 m/s^2 D. 10.3 m/s^2
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy, What is the orbital period of the faster planet, in years
Two positive charges of 7.40 micro-Coulombs are placed on a horizontal surface with a coefficient of static friction 0.72. If they are originally far apart.
The collar C is moving downward with an acceleration of 1 m/s2. At the instant shown, it has a speed of 2 m/s which gives links CB and AB an angular velocity ωAB = ωCB = 10 rad/s. Determine the angular accelerations of CB and AB at this instant.
A 1 kg ball is attached to a 2 m long piece of very light string and suspended in such a way that it can freely swing and it passes just above the ground. completely describe the motion of the two masses after the 1 kg ball is released
At the top of Earth's atmosphere, sunlight has an average intensity of 1380 W/m^2. at what rate does the Sun radiate energy
Two radio frequency point sources separated by 1.8 m are radiating in phase at a wavelength of 0.60 m. How many maxima does the detector detect
A 55.0-kg ice skater is moving at 4.07 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. find the force exerted by the horizontal rope on her arms
A car slams on its brakes and skids 50m before coming to a stop. If the coefficient of kinetic friction is 0.65 how fast was the car initially going
Adjacent antinodes of a standing waves on the string are 15.2 cm apart. A particle at an antinode oscillates in simple harmonic motion with amplitude 0.850 cm and period 0.0750 s. The string lies along the x axis and is fixed at x = 0.
A raft is made of 12 logs lashed together. Each is 28 cm in diameter and has a length of 6 m. How many people can the raft hold before they start getting their feet wet
I have a problem in mechanical physics where I'm given the linear mass density of a rigid plastic material. Here's the problem for context: A 42 cm diameter wheel, What is linear mass density
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