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Question: A ball is shot from a compressed-air gun at twice its terminal speed.
Part A: What is the magnitude of the ball's initial acceleration, as a multiple of g , if it is shot straight up? Express your answer using one significant figure.
Part B: What is the magnitude of the ball's initial acceleration, as a multiple of g , if it is shot straight down? Express your answer using one significant figure.
Light of 546 nm wavelength is incident on a cesium surface that has a work function of 1.91 eV. find the threshold wavelength
Suppose the initial speed of the proton in the figure is increased. Does the radius of each half-circular path segment increase, decrease, or stay the same?
Two waves with identical frequency but different amplitudes A1= 5.0cm and A2 = 3.0 cm, what is the amplitude of the resulting wave if they interfere constructively
Use the echelon method to solve the following system of two equations in two unknowns. Check your answer.
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
A constant force of magnitude 30 N makes an angle of 150° (measured counterclockwise) with the direction of increasing x as the force acts on a 2 kg object. How much work is done on the object by the force
what are the three longest wavelengths for standing sound waves in a 121-cm-long tube that is a open at both ends and b
Who measure the proper time between two flashes of light: A worker standing still on the side of the road, a driver in a car approaching at a constant velocity, both, or neither?
a double inclined plane supports two blocks a and b. a and b both weigh 10lb. if block a is on an incline of 60 degrees
Nonrenewable energy means sustainable energy, and a sustainable energy future is one that does not include significant dependence on fossil fuels.
A steel wire with mass 29 g and length 1.23 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. (a) Compute the linear density of the string. kg/m (b) What velocity wave on the string will produce the desired fundamen..
In an ice show a 65.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater. How much kinetic energy is lost?
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