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The electric field strength is 2.10 x 104 N/C inside a parallel-plate capacitor with 1.50 millimeter spacing. An electron is released from rest at the negative plate.
Find electron speed when it reaches positive plate?
A playground is on the flat roof of a city school, 5.8 m above the street below (see figure). The vertical wall of the building is h = 7.30 m high, forming a 1.5-m-high railing around the playground. A ball has fallen to the street below, and a pa..
Engine oil (?=0.20Pa?s) passes through a 2.60mm diameter tube in a prototype engine. What pressure difference is needed to maintain a flow rate of 6.5mL/min
A person is riding a bicycle, and its wheels have an angular velocity of 16.1 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 18.4 revolutions.
Local noon at 0o longitude corresponds to 12:00UTC. a) Given that our longitude is 84o 28' 33'' W, what is our local noontime in UTC? (b) What local time would this correspond to today? (c) From this and your estimate of the sun's current hour angle,..
A proton in Fermilab's Tevatron is accelerated through a potential difference 2.06 MV during each revolution around the ring of radius 1.00 km. how many revolutions must the proton make
A droplet of ink in an industrial ink-jet printer carries acharge of 1.6x10-11 coulombs and is deflected ontopaper by a force of 3.2x10 -4 newtons. Find thestrength of the electric field to produce this force.
A 3280 kg demolition ball swings at the end of a 17.1 m cable onthe arc of a vertical circle. At the lowest point of the swing, the ball is moving at a speed of 2.72 m/s. Determine the tension in the cable.
Spiderman's webbing has a cross sectional area of A = 10^-6 m^2. The Young's modulus of the silk is Y = 200 x 10^10 Pa, and has a breaking strength of 1 x 10^9 Pa. How far will it have stretched before breaking
In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball. Where will the ball land if it just clears the net
A heat engine has an efficiency of 61.5% and it exhausts 7500 J of waste heat into the environment. How much work is performed by the previous heat engine
A hydraulic jack utilized to lift cars is called a three-ton jack. The large piston is 22 mm in diameter, the small one 6.3 mm. Suppose that a force of 3 tons is 3.0 x 104 N.
A building made with a steel structure is 650 m high on a winter day when the temperature is 0°F. How much taller (in cm) is the building
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