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Problem: The speed of sound in air is 343 m/s. What is the speed of a supersonic plane that travels at 1.90 times the speed of sound?
I need tutor help to solve the above problem and give your answer in kilometers per hour (enter first) and miles per hour. Use correct sig figs.
An underwater scuba diver sees the Sun at an apparent angle of 42.0° from the vertical. What is actual direction of the Sun
A Buckyball is a molecule consisting of 60 carbon atoms arranged ina soccer ball like shape. Determine the kinetic energy of the Bucky balls used
Some people say that the tides on Earth are caused with the pull of the moon. Is this statement true? Which celestial body, the sun or the moon, has a greater pull on the waters of Earth? Decide the forces that the moon and the sun exert on a mass, m..
A 21.0 kilogram child on a 3.00 meter long swing is released from rest when the ropes of the swing make an angle of 26.0 degree with the vertical. determine the child's speed at the lowest position
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly seven months, as measured by a clock on board the spacecraft, and then return home at the same speed. how fast must you travel
On a banked race track, the smallest circular path on which cars can move has a radius of 103 meter, while the largest has a radius of 165 meter. Determine the largest speed at which cars can move on this track without relying on friction
Ultraviolet light of wavelength 223.4 nm illuminates an aluminum surface and electrons are ejected. A stopping potential of 1.27 V is able to just prevent any of the ejected electrons from reaching the opposite electrode. What is the work function fo..
A block is on a horizontal surface (a shake table) that is moving back and forth horizontally with simple harmonic motion of frequency 2.3 Hz. How great can the amplitude of the SHM be
Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 centimeter. Estimate the electric potential energy of the electron when it is at the midpoint
The gravitational constant would be easy to gauge if ordinary matter were denser. What would the density of a sphere of radius 1.03 m have to be in order to produce a gravitational acceleration of 1.03 m/s2 at the surface of the sphere?
A merry-go-round accelerates from rest to 0.78rad/s in 34 s. Assuming the merry-go-round is a uniform disk of radius 7.0 m, calculate the net torque required to accelerate it
A movie stuntwoman drops from a helicopter that is 29.0 above ground and is moving with a constant velocity whose components are 8.00 upward and 18.0 horizontal and toward south. You can ignore air resistance.Where on the ground (relative to the p..
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