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Solve the following questions:
Question 1: How much force does an 83.0kgkg astronaut exert on his chair while sitting at rest on the launch pad?
Question 2: How much force does the astronaut exert on his chair while accelerating straight up at 18.0m/s2?
Please show solution step by step with details.
A jet transport has a weight of 1.25 x 106 Newton and is at rest on the runway. Calculate the normal force exerted by the ground on the front wheel
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. obtain the speed of a satellite in a geosynchronous orbit
A plane sinusoidal electromagnetic wave in air has a wavelength of 3.90cm and an E field amplitude of 1.40V/m. What is the magnetic field amplitude?
The G string on a violin has a fundamental frequency of 196 Hertz. determine the effective length of her string
A cooking vessel on a slow burner contains 11.2 kg of water and an unknown mass of ice in equilibrium at 0°C at time t = 0. determine the initial mass of ice
Two insulated wires, each 2.90 m long,are taped together to form a two-wire unit that is 2.90 m long. One wire carries a current of 7.00 A;the other carries a smaller current I in the oppositedirection. The two wire unit is placed at angle of 51.0..
An airplane undergoes the following displacements
When you take a bath, how many kilograms of hot water (51°C) should you mix with cold water (12°C) so that the temperature of the bath is 36°C? The total mass of water (hot plus cold) is 189 kg. Ignore any heat flow among the water and its external s..
A body is placed on a plane that is incline at an angle of 35degrees to the horizontal, Determine the component of mg parallel to the surface
A composite slab with dimensions d1 = 9.1 cm, d2 = 2.30 cm, and d3 = 13.5 cm. What are the coordinates of the center of mass of the slab
Consider two antennas separated by 14.0 mthat radiate in phase at 85 MHz. Areceiver placed 150 m from both antennas measures an intensity/0. The receiver is moved so that it is2.2 m closer to one antenna than the other.
On a workday the average decibel level of a busy street is 72.0 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 50 every minute on a weekend, what is the decibel level of street.
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