1.5 m 6 m

Q: You need to fill a football with air to play with it. You know that your pump expels air at speed of...

A: The speed is 8.2 ft/s and radius of needle is 4.5 mm

Q: 6. A solid sphere and a solid cube are made from the same material. The sphere would just fit within...

A: Given that A solid sphere and a solid cube are made of the same material. Both begin at the same tem...

Q: Three point charges are located on a circular arc as shown in the figure below. (Take r = 4.20 cm. L...

A: It is known that the direction of electric field due to a positive charge is always away from it and...

Q: In a light-emitting diode (LED), which is used in displays on electronic equipment, watches, and clo...

A: The energy of the light emitted is same as the energy of the band gap

Q: A ball is thrown vertically upwards from the ground at a speed of 15.0 m/s. What will be its velocit...

A: The initial speed of the ball is 15 m/sec. Speed of the ball at height 4 m, when ball is thrown up

Q: Find the charge stored when 5.50 V is applied to an 8.00 pF capacitor.

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Q: A heat engine provides a net power output of 14 kW and has an efficiency of 23 %. The engine rejects...

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Q: An electron is to be accelerated in a uniform electricfield having a strength of 2.00 x 106 V/m . (a...

A: Given: An electron is to be accelerated in a uniform electric field having strength of 2.00 x 106 V/...

Q: A force vector has magnitude F makes an angle of 69° with respect to the x-axis of a Cartesian space...

A: Given, a force vector has magnitude F makes an angle of x=69° with respect to the x-axis of a Cartes...

Q: Find the voltage drop in an extension cord having a 0.0600−Ω resistance and through which 5.00 A is ...

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Q: A spaceship starts at rest, and then launches vertically into the air with an upward acceleration of...

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Q: A child starts at one corner of a cubical jungle gym in a playground and climbs up to the diagonally...

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Q: A 550 kg elevator accelerates upward at 1.2 m/s2 for the first 15 m of its motion. How much work is ...

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Q: A 24.0 V battery is connected via switch S to a resistor R = 180 mΩ and two initially uncharged capa...

A: Given,             Voltage applied, V = 24 V             Resistance, R = 180 x 10-3 Ω             Ca...

Q: A water pistol aimed horizontally projects a stream of water with an initial speed of 4.00 m/s. How ...

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Q: Mercury is commonly supplied in flasks containing 34.5 kg (about 76 lb.). What is the volume in lite...

A: Density is the ratio of mass by volume. Density of substance=mass of substance/volume of substance. ...

Q: Suppose you have a wind speed gauge like the pitot tube shown in Figure 14.32. By what factor must w...

A: The speed is directly proportional to the square root of the h,

Q: Electrons in an X-ray tube are accelerated through 1.00×102kV and directed toward a target to produc...

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Q: The displacement of the tip of the 10 cm long minute hand of a clock between 12:15 A.M. and 12:45 P....

A: Given data The length of the tip of the minute hand is l = 10 cm. The initial timing shown in the cl...

Q: Find the magnitude of the electric field at the center of the circle given the three charges are ide...

A: Consider the diagram for the electric field at the center due to the given charges as follows.

Q: Roofs are sometimes pushed off vertically during a tropical cyclone, and buildings sometimes explode...

A: During a tropical cyclone very high-speed winds flow and during a very high-speed wind moves in a ci...

Q: Assuming bicycle tires are perfectly flexible and support the weight of bicycle and rider by pressur...

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Q: If C = 8 m at 53°,  and D = 19 m at 147°,  what is the magnitude of the sum of these two vectors (in...

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Q: What is the self-inductance of a coil whose reactance is 10 Ω at 60 Hz?

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Q: In 2003, an earthquake in Japan generated 1.1 Hz waves that traveled outward at 7.0 km/s. 200 km to ...

A: Given data  

Q: **88. ssm The drawing shows two crates that are connected by a steel wire that passes over a pulley....

A: The unstretched length of the wire,   The cross-sectional area of the wire,   The Young’s modulus ...

Q: Why is the resistance of wet skin so much smaller than dry, and why do blood and other bodily fluids...

A: It is given to have an idea about electric hazards and the human body.   When wet the salts in our b...

Q: A coyote can locate a sound source with good accuracy by comparing the arrival times of a sound wave...

A: a) The distance can be determined from Pythagorean theorem therefore,

Q: When an object is located very far away from a convex mirror, the image of the object is 18 cm behin...

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Q: In the diagram below for a satellite in an elliptical orbit about a much larger mass, indicate where...

A: Orbiting satellite about the much larger mass (M) is governed by Kepler’s Laws of Planetary Motion. ...

Q: The displacement of the tip of the 10 cm long minute hand of a clock between 12:15 A.M. and 12:45 P....

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Q: The IR drop across a resistor means that there is a change in potential or voltage across the resist...

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Q: (a) Estimate the time it would take to fill a private swimming pool with a capacity of 80,000 L usin...

A: (a)   Let the capacity of the swimming pool is Q = 80,000 L; The rate at which the water is flowing ...

Q: An inductor has a current I(t) = (0.500 A) cos[(275s-1)t] flowing through it. If the maximum emf acr...

A: An inductor is a passive electrical device which stores energy in a magnetic field when current is p...

Q: The planet Venus has a diameter of 7700 mi and amass of 3.34(1023 ) slug. Determine the gravitationa...

A: The mass of the Venus,   The diameter of the Venus,   The radius of the Venus,

Q: How to determine instantaneous velocity?

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Q: A cauterizer, used to stop bleeding in surgery, puts out 2.00 mA at 15.0 kV. (a) What is its power o...

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Q: 2. You are sick, and your temperature is 312.0 kelvins. Convert this tem- perature to the Fahrenheit...

A: Kelvin temperature and Celsius temperature is related by,

Q: Using the attached graph, answer all parts of the question. a. Find the displacement at t = 11.5 s b...

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Q: If C = 4 m at 68°,  and D = 37 m at 169°,  what is the direction of the sum of these two vectors (in...

A: Given data The vector C is of length 4 m at 68°. The vector D is of length 37 m at 169°. The vector ...

Q: Pressure cookers have been around for more than 300 years, although their use has greatly declined i...

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Q: A farsighted person has a near point that is 67.0 cm from her eyes. She wears eyeglasses that are de...

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Q: The image of a very distant car is located 12 cm behind a convex mirror. (a) What is the radius of c...

A: The object distance,   The image distance,

Q: A car travels due east with a speed of 40.0 km/h. Raindrops are falling at a constant speed vertical...

A: Consider the diagram for the direction of the velocities as follows.

Q: A Carnot heat engine delivers P = 5 x 105 Btu / hr of power while operating between reservoirs at Tc...

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Q: You are given a velocity with magnitude 60 m/s , with an x-component of -22 m/s what are two possibi...

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