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(a) During the time you are in flight down tothe floor, the Earth is lurching up toward you with an accelerationa. If your mass is 83 kg, what isthe value of a? Visualize the Earth as a perfectly solidobject.
m/s2
(b) If the seat of the chair is 30 cm offthe floor, how far does the Earth move while you are falling?
m
A ball of mass m makes a head-on elastic collision with asecond ball (at rest) and rebounds with a speed equal toone-fifth its original speed. What is the mass of the second ball
A harmonic wave travels in a wire with amplitude 6.05 mm, wavelength 0.451 m, and frequency 462 Hz. What is speed with which the wave travels.
The total electric field consists of the vector sum of two parts. One part has a magnitude of E1 = 1300 N/C, Find the magnitude and direction of the total field
In preperation for building a space station, an astronaut removes a self-teliscoping uniform rod form the cargo bay and releases it, What is the angular speed after the catch slips
q1. at one point in a pipeline waters speed is 3.30 ms and the gauge pressure is 4.00times104 pa. find out the gauge
question what is the subsequent angular speed of the wheel?a potters wheel with rotational inertia 6.50 is spinning
A law enforcement officer in an intergalactic "police car" turns on a red flashing light and sees it generate a flash every 1.3 s. How fast is the "police car" moving relative to the earth
What are the strength and direction of the electric field at the position indicated by the dot in the figure below, in which q = 3 nC, d = 11 cm, and the positive x-axis points to the right?
A photon with wavelength 0.02680 nm strikes a free electron that is initially at rest. What is the de Broglie wavelength of the electron after its collision with the photon
You illuminate a slit of width 0.0643 mm with light of wavelength 711 nm, What is the width, in centimeters, of the pattern\'s central maximum
An ideal gas is enclosed in a cylinder that has a moveable piston on top. The piston has a mass of 6200 g and an area of 5 cm2 and is free to slide up and down.
A reversible engine takes in 555 J per second and exhausts 482 W, How much power does it produce?
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