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A bug that has a mass mb = 3 g walks from the center to the edge of a disk that is freely turning at 20 rpm. The disk has a mass of md = 13 g. If the radius of the disk is R = 23 cm, what is the new rate of spinning in rpm?
An aircraft weighing 892 N is accelerated at 9.9 m/s/s for 5 seconds, What is the force required to launch the aircraft
Illustrate what is the coefficient of static friction between the chair and the floor? What is the coefficient of kinetic friction between the chair and the floor?
q1. what is the dissimilarity in your blood alcohol level between a full and empty stomach after you drank 3 malted
A solenoid is designed to produce a magnetic field of 2.50×10?2 at its center. It has a radius of 1.70 and a length of 44.0 , What total length of wire is required
A small helium-neon laser emits red visible light with a power of 3.2 mW in a beam with a diameter of 2.5 mm. what is the total energy contained in a 1.00 m length of the beam
A 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval..
A diffraction grating has a line density of 580 . This grating produces a 1st order maximum at a distance of 2.52 from the central maximum on a screen which is 5.40 away
Find the period of a child's leg as it swings about the hip joint. Assume the leg is 0.39 m long and can be treated as a uniform rod, Estimate the child's walking speed
On a cool morning, when the temperature is 15deg Celsius, you measure the pressure in your car tires to be 30 psi. After driving 20 mi on the freeway, temperature of your tires is 45 deg Celsius. What pressure will your tire gauge now show.
After flying for 15 min in a wind blowing 42 km/h at an angle of22°south of east, What is the speed of the airplane relative to the air
question1a dock worker loading crates on a ship ?nds that a 24 kg crate initially at rest on a horizontal surface
Consider Joule's experiment described in the insight below. Assume the mass m = 2.5 kg and the fluid is water with a volume of 1.19 L. What is the increase in the temperature of the water
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