QUESTION 11 Calculate the speed at which a 90.7 m radius curve banked at 57.3' should be driven if the road is frictionless. Input your answer in m/s using 3 significant figures. N cos 0 = w N sin e = Fc - Fnet

Q: 4. Two kilograms of air at a pressure of 2,000 kPa and temperature of 25 °C is heated at constant…

A: Determine the final temperature for constant volume process. Apply the ideal gas equation to…

Q: A post is supported by a guy wire which exerts a pull of 100N on the top of the post. If the angle…

A: The free-body diagram of the guy wire with the post is shown below.

Q: What is the ratio of the sth orbital to the 2nd r orbital in the Bohr model of the atom? O A. 2.5 O…

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Q: R1 R2 R3. V (V) I (A) R (N) Resistor 1 а). b). 4 Resistor 2 9. с). d). Resistor 3 е). f). Total g).…

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Q: Verain= 40 ft/s atrain = 10 ft/s2 %3D Vman/train = 4 ft/s Vear = 60 ft/s at.car = 20 ft/s2 %3D 30°…

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Q: A mass m of steam at 130º C is used to warm 200 gm of water from 20º C to 50º C.  Write an…

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Q: shining light on a metal surface. The light source emits A physicist wishes to produce electrons…

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Q: The moments of inertia for CH3CH3 is Ia=1.1 x 10-46 Kg.m2 and Ib=4.2 x 10-46 kg.m2 Is it prolate or…

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Q: What is the electric flux through a sphere of a radius 5m that contains a positive 40…

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Q: A string of length 80c mand mass 0.2g is attached to one end of a tuning fork with a frequency of…

A: Given: The length of the string is 80 cm = 0.8 m. The mass of the string is 0.2 g = 2x10-4 kg. The…

Q: Find the currents in the following networks. 44. 3800 V 50 2 I3 I2 80 2 40 2 3400 V

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Q: A 1.30 kg block slides on a frictionless horizontal surface until it encounters a spring with a…

A: Given: The mass of the object is 1.3 kg. The spring constant is 520 N/m. The compression in the…

Q: 100 Pieces of copper each mass of it is (3gm) and was placed in a hot water and left until it…

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Q: Assuming a track with friction, find the thermal energy at Y. Round off to four decimal places.…

A: Total energy at W (Tw) = 80.5986 J  Total energy at Y (Ty) = 13.3378+13.0713  Ty = 26.4091 J

Q: A conducting sphere of radius 0.01m has a charge of 1.0 × 10−9 C deposited on it (k = 9 × 109 Nm2…

A: The answer is below

Q: A crane lifts a load of bricks of mass 1,510 kg at an initial acceleration of 1.78 m/s². Calculate…

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Q: Two boats leave the port at the same time. Boat A has a velocity of (-3t+ 2j) m/s and boat B has a…

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Q: What is the magnitude of the magnetic field at the center of a loop of radius R = 5 cm and carrying…

A: Given data :- Radius R = 5 cm = 0.05 m Current I = 2 A μo/4π = 10-7  T.m/A

Q: A proton is released from rest in a uniform electric field with a magnitude of 3.0 x 10° N/C. The…

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Q: A stone is thrown vertically into the air from a tower 30 m high with initial velocity 15 m/s.…

A: Given: The intial speed of the stone is 15 m/s in the vertical direction. The height of the tower is…

Q: if a mass of a person is 55kg. What is his weight on the moon? gm= ge/6 Select one: a. 150N O b.…

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Q: A sledge loaded with bricks has a total mass of 18.8 kg and is pulled at constant speed by a rope…

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Q: How many times does this object STOP moving?

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: Q3. which of the following is a property of laser O Refraction O coherence deflection Reflection

A: Please see the answer below.

Q: A circular loop of wire with a radius of 5 cm lies in the xy plane and carries a current of 2 A,…

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Q: The work function of tungsten is 4.5 eV. What is the photoelectric threshold wavelength for…

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Q: An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20° with the…

A: The free-body diagram of the block is shown below. Here, N is the normal force, m is the mass, F is…

Q: The system shown in Figure consists of a light, inextensible cord, light, frictionless pulleys, and…

A: According to constraint relation the product of tension and acceleration remain constant. T.a…

Q: An electric iron of resistance 20 ohms takes a current of 4 A. Find the heat developed in 28 s.

A: Given that  R = 20 ohm  I = 4A  t = 28 sec

Q: A worker slides a block of wood along a surface. The work output is determined to be 5.85 x 103 J…

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Q: 2. An object attached to a coiled spring is pushed up a distance 6 inches from its rest position and…

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Q: EQUIVALENT RESISTANCE AND CURRENT IN A PARALLEL CIRCUIT Three resistors, 15.0 0.30.0 Q, and 60.0 Q…

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Q: What work is done on a level track in bringing the velocity of a train weighing 200 tons from zero…

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Q: What is the magnitude of the magnetic field at the center of a loop of radius R = 5 cm and carrying…

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Q: If a 12 cm bottle is standing a distance from a convex mirror and the focal length is 5 m, find the…

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Q: The figure shows a graph of the velocity of an object as a function of time. What is the…

A: Acceleration = 20/2 = 10  ms-2  Equation  x = ut + (1/2)at2 x = 0×t + (1/2)at2 x = (1/2)at2  x =…

Q: Physics Which of the following characterizes a conservative interaction?   i) An interaction that…

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Q: 1) In the phenomenon of physical adsorption, the atoms or molecules of the adsorbed substance gather…

A: In the physical adsorption process atoms or molecules of adsorbed substance gather on outer surface…

Q: 8. Given ä = 31 + 4j – 3k, b= –4ỉ – 2j + 6k and i = [10,t,–15] , find the value of t such that a) b…

A: The given vectors are: a→=3i^+4j^-3k^b→=-4i^-2j^+6k^c→=10i^+tj^-15k^

Q: Vertically polarized light of intensity lo is incident on a polarizer whose transmission axis is at…

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Q: rock is tied to a 2 m long string and spun in a horizontal circle. The rock has  an acceleration of…

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Q: :  A mass m = 1.1 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling.…

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Q: fly with a mass of 19.3 mg is moving with a velocity of 6.7 m/s ± 10%. What is the momentum of this…

A: Given A fly with a mass of 19.3 mg is moving with a velocity of 6.7 m/s ± 10%.

Q: A projectile was thrown from the edge of a 150 m high building with an initial velocity of 180 m/s…

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Q: What work is done on a level track in bringing the velocity of a train weighing 200 tons from zero…

A: Given data: The weight of the train is W=200 tons. The initial speed is u=0 mi/hr. The final speed…

Q: The moon revolves around the Earth in a circular orbit with a radius of 3.84×108 ?.?? ????? 27.3…

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Q: Problem 5:  Archimedes’ principle can be used to calculate the density of a fluid as well as that of…

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Q: The system shown starts from rest in the position shown. When block A hits the floor, the cable…

A: Before hitting the ground let T1 be the tension inn the string between mass A and B and T2 be the…

Q: Problem 18:  A particle of mass 0.61 kg begins at rest and is then subject to a force in the…

A: A particle of mass 0.61 kg begins at rest and is then subject to a force in the positive x direction…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.