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Q1. A charge of -2.2×10-9 C is at the origin and a charge of 6×10-9 C is on the x-axis at x = 3m. At what two locations on x-axis (xpositive, xnegative) is the potential zero?
Q2. A student is running to catch the campus shuttle bus that is stopped at bus stop. The student is running at a constant speed of 6.0 m/s; she can't run any faster. When the student is still 60.0 m from the bus, it starts to pull away. The bus moves with a constant acceleration of 0.18m/s^2. For how much time and how far does the student have to run before she overtakes the bus?
What is tension in the wire
A father (m = 65 kg) and son (m = 38 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3.0 m/s after they have separated. How fast would the father be moving.
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
A helicopter is ascending vertically with the speed of 5.79. At a height of 127 above the Earth, a package is dropped from a window. How long take the package to hit the ground.
What are angles of refraction
How much time is the stone in the air
Forming an equation.
When he reaches equator, the sphere is rotating at how many rpm. A car takes 9 s to go from v = 0 to v = 55 m/s at about constant acceleration.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
What is magnitude of the unknown force
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
Displacement is which of the following types of quantities.
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