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A 150g ball has a kinetic energy 27.2J. A) What's the magnitude of its momentum? Express your answer with the appropriate units. B) Use your answer to find its speed. Express your answer with the appropriate units.
The temperature of 3.00 mol of an ideal diatomic gas is increased by 47.0°C without the pressure of the gas changing. What is the change in the internal energy for the gas
An elevator can lift a 113 N aircraft a distance of 28 meters in 10 s. what is the power output of the elevator
Two Stars of equal mass revolve in a circular orbit about a center of mass midway between them. Find the mass of each star
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.8MV/m, what is the potential difference across the membrane
A tow truck pulls a car 5.00 \rm km along a horizontal roadway using a cable having a tension of 850 \rm N. How much work does the cable do on the car if it pulls horizontally
What speed must she have at point 3, so that the normal force at the top has the same magnitude as it did at the bottom.
Light of wavelength 500 nm is incident on a thin sheet of plastic film (n= 1.50) in air. What is the thinnest the sheet can be
a 4.0-kg hanging mass is connected by a string over a pulley to a 8.0-kg block ona frictionless ramp with an angle of inclination of 40 degrees above the horizontal
A wire lying along a y axis from y = 0 to y = 0.276 m carries a current of 1.62 mA in the negative direction of the axis. The wire fully lies in a nonuniform magnetic field given by = (0.466 T/m)y + (0.293 T/m)y. What is z components of the magnetic ..
The radius of the inner pipe is 1.00m and it has a charge per unit length lamba=2.00 microC/m. The outer pipe has a radius of 2.00m and a charge per unit length of lamba=-1microC/m.
If a sound wave traveles throught soft tissue a a velocity of 1.54 mm/microsecond for 2203ms. How far has the sound wave traveled using the echo-ranging formula d=ct
As a highway engineer, you're asked to design a runaway truck lane on a mountain road. How long should you make the lane
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