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Show transcribed image text Pictured on the right are two point charges Q1 = -80.0 x 10 C and Q 30.0 x 10^-6 C separated by a distance D = 0.100 m, as shown. Calculate the potential at point A positioned d = 0.0400 m to the left of Q1. Number V
A pendulum is constructed from a thin, rigid, and uniform rod by a small sphere attached to the end opposite the pivot. This arrangement is a good approximation to a simple pendulum (period =3.72 s), because the mass of the sphere (lead) is much grea..
A student sees a newspaper ad for an apartment that has 1365 square feet (ft2) of floor space. How many square meters of area are there
A child moves with a speed of 5.40 m/s when positioned 14.0 m from the center of a merry-go-round. Calculate the net force (in newtons) exerted on the child, whose mass is 26.0 kg
A particle leaves the origin with a speed of1 × 106 m/s at 30? to the x axis. It moves in a constant electric field E = Eyˆj. Find Ey such that the particle will cross the x axis at x = 2.5 cm if the particle is an electron. The fundamental charge is..
A charge of 0.76 C is moved from a position where the electric potential is 6 V to where it is 59 V. What is the change in potential energy of the charge?
A spring with a constant of 32 N/m is placed on a horizontal smooth surface and a mass of 2.3 kg is pushed against it. What is the velocity of the mass as it leaves contact with the spring
In a typical Hollywood movie stunt, a person jumps off a building and lands on a cushion to safely stop. How much voltage should the battery have to stop the object as it reaches the ground
A 3-microFarad capacitor is connected in series with a 2 micro-Farad capacitor, and a 1.5 volt battery. What is the voltage across the 3-microfarad capacitor?
How much time elapses from when the ball leaves the pitchers hand until the ball reaches the batter
Let's consider how to reduce errors in the ultrasound experiment. We describe a frequency (40 kHz) and measured wavelength. What wavelengths should we measure if we change the frequency to 345 Hz, 3,450 Hz or 345,000 Hz?
As shown in the figure, the angle between two plane mirrors (M1 and M2) is 125o. If the incident ray strikes mirror M1 with an angle of incidence θ1i = 66o, determine the angle of reflection θ2r for mirror M2.
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window in one hour
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