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A) When you do this, what distance will the bungee cord that you should select have stretched?
what was the dogs velocity relative to the bank from where the dog started?
A 0.50 mm-wide slit is illuminated by light of wavelength 500 nm. What is the width of the central maximum on a screen 2.0 m behind the slit?
Three point objects with net charge of Q1 = +78 µC, Q2 = +47 µC, and Q3 = -80 µC, respectively, are placed along a straight line. The object in the center, (with a charge of Q2), i
Two point charges have a total charge of 555 µC. When placed 1.30 m apart, the force each exerts on the other is 22.7 N and is repulsive. What is the charge on each? (Round your answers to the
A +6.1 µC charge is placed at the origin and a -3.8 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed so that it experiences no net force?
The attractive electrostatic force between the point charges +8.37 10-6 C and Q has a magnitude of 0.966 N when the separation between the charges is 0.60 m. Find the sign and magnitude of the char
A light bulb is wired in series with a 132-O resistor, and they are connected across a 120-V source. The power delivered to the light bulb is 24.0 W. What are the two possible resistances of the lig
The box slides down the slope described by the equation y=0.05x^2 where x is in meters. If the box has x-components of velocity and acceleration of Vx=-3m/s and ay=-1.5m/s^2 at x=5m. Determine the y
The shuttle is released when the elastic band has 6.4 N tension at a 35° angle. What is the magnitude of the initial acceleration of the shuttle.
A 6.6 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 33.0 kPa and 24.0 kPa, respectively. What is the
Two charged concentric spheres have radii of 9.6 and 15.1 cm. The charge on the inner sphere is 4.09 multiplied by 10-8 C and that on the outer sphere is 2.10 multiplied by 10-8 C.
A hydrogen-filled blimp cruises slowly at a low altitude. Its maximum useful payload, including crew and cargo, is 6,857 kg. How much less payload can be carried if the blimp were filled with helium
When the diving bell was lowered to the bottom of the sea, to what height did water rise within the diving bell?
The net electrostatic force exerted on the charge q by the other two charges has a magnitude of 28 N and points in the +y direction. Determine the magnitude of q2.
A copper calorimeter can with mass 0.100kg contains 0.160kg of water and 0.018kg of ice in thermal equilibrium at atmospheric pressure.
If the tank was full before the accident, what was the total outward force the molasses exerted on its sides? (Hint: Consider the outward force on a circular ring of the tank wall of width dy and at
If the mass of the first particle is 6.3X10^-7kg, what are (a) the mass of the second particle and (b) the magnitude of the charge of each particle?
The fisherman sees that the wave crests are spaced a horizontal distance of 5.60 apart. How fast are the waves traveling?
The particles fly apart, and when the separation between them is 0.092 m, the speed of the 2.00x10-3 kg particle is 123 m/s. Find the initial separation between the particles.
A positive charge of +q1 is located 7.00 m to the left of a negative charge -q2. The charges have different magnitudes. On the line through the charges, the net electric field is zero at a spot 2.00
How much energy can this capacitor store without breaking down after the gape between its plates is filled with neoprene rubber?
In coming to a stop,a car leaves a skid marks 92m long on th highway. Assuming a deceleration of 7.0 m/s squared, estimate the speed of the car just before breaking.
Find the magnitude of the electric field this disk produces at a point on the axis of the disk a distance of 2.00 from its center.
What is the oscillation amplitude of the brass pendulum? Assume that the friction is due to the relative velocity of bob and air and that the instantaneous rate of energy loss is proportional to the