In the periodic table: Elements in the same group have the same valence charges. O False O True

Q: For a motion with constant acceleration, the equation of average velocity is (v+vo) _ 2. It is not…

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Q: At its peak, a tornado is 68 m in diameter and has 230 km/h winds. What is its frequency in…

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Q: A 300-kg bear grasping a vertical tree slides down at the constant rate of 0.2 m/s2 . The friction…

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Q: A centrifuge accelerates uniformly from rest to 13000 rpm in 180 s. A. Through how many…

A: The acceleration is uniform. So, we can calculate the average velocity as shown below.

Q: 2. Solve the force acting on the 8 KN block if it is in equilibrium. 38⁰ 58⁰ P

A: Given:  Weight of the block, mg=8kN The inclination of the slab with the horizontal, θ=38° At…

Q: A steel ball of mass 0.896 kg, moving with a velocity 1.25 m/s, strikes a second ball of mass 0.896…

A: in this question  we use conservation  law of momentum .

Q: 3. This time we have a crate of mass 32.0 kg on an inclined surface, with a coefficient of kinetic…

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Q: A car drives around a circular track of diameter 161 m at a constant speed of 40.8 m/s. During the…

A: "Since you have asked multiple question, as per our guidelines we will solve the first question for…

Q: NOTE: Round off answer up to 2 decimal places. Use g = 9.8 m/s2. Indicate the unit (symbol). A cube…

A: Given m2=3m1 Height (h)=6 m Coefficient of friction=0.49   Required distance traveled

Q: Each propeller of the twin-screw ship develops a full-speed thrust of F-220 kN. In maneuvering the…

A: Given the data: F=220 kNa=40 mb=124 mc=10 m

Q: Question 6 of 15 A 3 cm tall object is placed in front of a concave mirror. The magnitude of the…

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Q: The ratio of the shortest wavelength to the longest in the Palmer series wavelength is: * 0.21458…

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Q: The flanged steel cantilever beam with riveted bracket is subjected to the couple and two forces…

A: Given data: The forces on beam has shown in the diagram. Upward force F1 = 1.95 kN Angle for upward…

Q: You push on a rectangular door at the location of the knob (see diagram for top view). The door s…

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Q: A cell has an emf of 6.02 V, internal resistance of 1 ohms and a current of 0.8 A passing through…

A: Introduction :  In this question we are provided with value of Emf, current and internal resistance…

Q: A merry-go-round accelerates from rest to 0.70 rad/s in 30 s.     Part A Assuming the merry-go-round…

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Q: Fluorodeoxyglucose (FDG) is a radioactive tracer element that is used for PET (Positron Emission…

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Q: A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s² south.…

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Q: 3. Three particles P, Q and R are situated at point A on the circular path of radius 10 m. All three…

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Q: 2- Ultrasound waves are harmful for humans. A. True B. False 3- If the frequency of an US wave is…

A: Ultrasound  Rays  Transducers, or ultrasound probes, generate sound waves at frequencies beyond the…

Q: III Question 7 of 17 < View Policies Current Attempt in Progress The figure gives an overhead view…

A: GIVEN: 1. mass of cue ball  = 0.163kg  the initial speed of ball vi = 1.23m/s  the final velocity of…

Q: Draw a I-V graph for a linear resistor. What does its slope represent?

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Q: vertical cable. Compute the magnitudes of the reactions at A and B. B T 14 m A 7m 17 m mus against…

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Q: Q 5 / Explain the mechanism of the work of the field-effect transistor FET and the metal-oxide…

A: A FET is worked as a conductive  semiconductor channel with 2 contacts – the ‘SOURCE ‘ and the…

Q: A free-body diagram of a particle subjected to the action of four forces is shown in Fig.2.29.…

A: Given: F4=10 kipF3=40 kip The system is in equilibrium.

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

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Q: A hydrogen atom is in the 5f state. Part A What is its energy? E= ev Submit My Answers Give Up Part…

A: A hydrogen atom of 5f state have; Principle quantum number, n=5 (Possible values=1,2,3,4) Angular…

Q: You launch a projectile at an initial speed of 31.0 m/s from the ground. After 3.10 seconds of…

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Q: CAN SOMEONE BREAK THIS DOWN AND TALK ABOUT IT

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Q: A sphere of mass 4.66 kg and radius 8.60 cm is moving on a flat surface at a constant speed of 12.5…

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Q: Find the wavelength of a wave traveling at 20 m/s at a frequency of 5 Hz.

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Q: In a similar problem as before, a 0.482 kg mass hangs from a frictionless pulley with a radius of…

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Q: Given data: Ź Density = 560 kg/m3 Mass = 48 kg Determine the volume

A: Introduction :; In this question we are provided with value of mass and density . with these data we…

Q: The plates of a parallel-plate capacitor are eparated by 0.12 mm. The permittivity of a vacuum is…

A: Given: The seperation between plates is 0.12 mm. The capacitance of the capacitor is 9 pF.

Q: what force acts on a 1,150kg car travelling at a velocity of 23.0m/s when the brakes are applied,…

A: Given, Mass of the car = 1150 kg = m Velocity of the moving car = 23 m/s = u (initial velocity)…

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 49.9 degrees with respect…

A: Draw the free-body diagram of the black block.

Q: Q1: Two stations A and B are 10 km apart in a straight track, and a train starts from A and comes to…

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Q: L. An object dropped from a cliff falls with a constant acceleration of 10 m/s². Find its speed 5 s…

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Q: R8-7. The uniform 50-lb beam is supported by the rope that is attached to the end of the beam, wraps…

A: The equilibrium is attained when there is no net force acting on body. Or we can say no net force…

Q: You are told that a basketball player spons the ball on his finger with an angular acceleration of…

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Q: Question 9 of 15 A thin layer of oil (n = 1.25) covers the surface of a puddle of water (n = 1.33).…

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Q: At what angle must the 470-lb force be applied in order that the resultant R of the two forces have…

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Q: The coefficient of friction in the longitudinal direction of a highway is estimated as 0.396. Find…

A: Braking distance = 42m

Q: (1) A signal m(t) band-limited to 3kHz is sampled at a rate 100/3% higher than the Nyquist rate. The…

A: GIVEN: Frequency of signal fm =3KHz sampled rate =1003% maximum quantization error = 0.5%

Q: he summit of a mountain, 2450 m above base camp, is measured on a map to be 4580 m horizontally…

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Q: Determine the height h above the base B at which the resultant of the three forces acts. 290 lb 24"…

A: The answer for this question is given below...

Q: (2-19 A plane flies south at 500 km h for 2 h and then flies west at 500 km h west for 1 h. (a) What…

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Q: In the figure below, a solid ball rolls smoothly from rest (starting at height H = 6.0 m) until it…

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Q: 1. A meter reader determines that a business has consumed 3550 kWh of energy in two months. If…

A: Given: The total consumed electricity is 3550 kWh. The time interval is 2 month. The electricity…

Q: QUESTION 7 A disk with a moment of inertia of 0.04 kg*m2 starts spinning from rest, and reaches a…

A: The moment of inertia of the disk is, I=0.04 kg·m2 Initially, the disk was at rest, so the initial…