Physics, 24.06.2019 20:30 jasondesatnick

What is the wavelength of an earthquake wave if it has a speed of 13 km/s and a frequency of 5 hz?

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Physics, 22.06.2019 05:30, jalexus

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

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Physics, 22.06.2019 17:30, RegencySlayer5304

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?

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Physics, 22.06.2019 20:00, tasniahussain21

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

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Physics, 23.06.2019 00:00, cece3467

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?