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A uniform upward directed electric field of magnitude 1.4*10^-6 N/C has been setup between tow horizontal plates by charging the lower plate positively abnd the lower plate negatively. The plates have lenght L= 1.6cm. A mass of 1.3*10^-10 Kg with a positve charge of Q=1.5*10^-13 C is shot beween the plates from left to right with a horizontal speed V= 18m/s. what is the vertical deflectio of the mass when it exits the plates
Starting from rest, a speedboat reaches a speed of 2.30 m/s in 1.2 s. What is the boat's speed after an additional 2.50 s has elapsed, assuming the boat's acceleration remains the same.
A diverging lens (f = -12 cm) is located 20.0 cm to the left of a converging lens (f = 34.5 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
A rocket moves upward, starting from rest with an acceleration of 33.4 m/s2 for 3.47 s. It runs out of fuel at the end of the 3.47 s but does not stop. How high does it rise above the ground.
A tiny sphere with a charge of q = +6.0 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions, in which b = 3.8 cm. The spring stretches 5.0 cm from its previous equilibrium position..
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
An LR circuit is hooked up to a battery as shown in the figure, with the switch initially open. The resistance in the circuit is R=120Ω, the inductance is L=4.10H, and the battery maintains a voltage of E=49V. At time t=0 the switch is closed.
For a spring-mass oscillator, if you triple the mass but keep the stiffness the same, what numerical factor does the period change? That is, if an original period was T and the new period is bT, what is b? It is useful to write out the expression ..
Light is incident from one medium with an index of refraction of 2.29 at an angle of 29.12 degrees with respect to the normal to the surface. The light then passes into another medium with a refractive index 1.44. With what angle is the light refr..
explain how much charge is on each plate. What is the work done by the field on the electron.
A 25 gram ball is fired with an initial speed v1 toward a 125 gram ball that is hanging motionless from a 1.25 meter string. The balls have a perfectly elastic collision. As a result, the 125 gram ball swings out until the string makes an angle of..
How much time is spent in pushing the mower
A luge and its rider, with a total mass of 83kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 44m/s. Assume that they stop with the constant deceleration of 2.9 m/s2.
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