The gravitational force is always directed towards the center of the Earth. True False

Q: In the figure the current in resistance 6 is ig = 1.46 A and the resistances are R1 = R2 = R3 = 1.68…

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Q: 25.0 0 www- 15.0 0 ww 25.0 0 30.00 ww ww 10.00 20.0 0 20.0 0 Fwwww 50.0 0 :40.00 50.0 0

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Q: A horizontal force of 12 N pushes a 0.50-kg book against a vertical wall. The book is initially at…

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Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

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Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.855 m/s encounters a rough horizontal…

A: Mass, m = 92.0 kg Speed, v = 0.855 m/s  Length ℓ = 0.65 m Coefficient of kinetic friction, μ = 0.357…

Q: 7. You increase the amount of work being done on a box when you A. increase the distance to where…

A: According to guidelines we are allowed to solve only  3 MCQs, please post the others in the next…

Q: 4. Whale and Kanmuro are two islands located in the Chimera archipelago. These two are separated by…

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Q: Part B If points a and b are connected by a wire with negligible resistance, find the magnitude of…

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Q: Imagine a head on collision between a 10-wheeler truck and a bicycle. During the collision, (A The…

A: Let's check each option one by one A.  Truck Exert the same amount of force on the bicycle as the…

Q: The following gives the angular momentum l(t) of a particle in four situations. (1) l = 3t + 4 (2) e…

A: Net torque is the rate of change of angular momentum. τ = dL/dt

Q: Two charges: -12.0 µC and 45.0 uC, and an unknown charge are located on the x axis. The charge -12.0…

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Q: How many electrons were transferred if the total charge of a process is 938.3 C?

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Q: A pickup truck is moving at 25 m/s with a toolbox of mass m resting on the bed of the truck 2.8 m…

A: 1.189sec time elapses before the toolbox stricks the cab. So your answer us t=1.189sec.

Q: Nhen the pressure inside sel is 22.75 psig. then the plute pressure equal to:

A: Given :  Measured pressure = 22.27 psi    Concept / formula used :  Pabs = Patm +Pmes.…

Q: 18. BIO A certain orthodontist uses a wire brace to align a patient's crooked tooth as in Figure…

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Q: A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window…

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Q: A body of mass 2 kg is acted upon by two perpendicular forces 5 N and 3 N. Give the magnitude of the…

A: Given: Mass of body, m=2 kg Two perpendicular forces are F1=5 N and F2=3 N To determine magnitude of…

Q: A particle moves in a straight line with a constant acceleration of 24 ft/s? for 6 s, zero…

A: Given, Initial position=0ft

Q: Which of the following statements is TRUE? a. The magnetic flux is zero for any closed…

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Q: An infected tooth forms an abscess (area of infected tissue) that fills with gas. The abscess puts…

A: Answer - NO, this therapy will not work on the affected region.   Explanation : Since, according to…

Q: A slab of ice floats on a freshwater lake. What minimum volume must the slab have for a 45.0-kg…

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Q: Calculate the energy of a photon of blue light, 1 = 400nm in air. A. 0.1eV %3D B. 21.leV С. 3.1еV D.…

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Q: The high voltage pulse generator circuit is used to stabilize the source supply by generating…

A: Discharging:If the plates of a charged capacitor are connected through a conducting wire, the…

Q: You illuminate a slit with a width of 78.9 μm with a light of wavelength 731 nm and observe the…

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Q: A forklift at a warehouse moves at a constant speed of 36 km•h-1. A constant frictional force of 800…

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Q: A warning sign inside an elevator of mass 317 kg indicates that the maximum load that it can carry…

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Q: 2.6-m length of horizontal wire carries a 4 current toward the south. The dip angle of the Earth's…

A: Length of horizontal wire, L = 2.6 m Current, I = 4.5 A Angle of dip, θ = 41° Earth's magnetic…

Q: A postal employee drives a delivery truck over the route shown in Fig. E1.25. Use the method of…

A: Given data: A road track is given for the motion of truck.

Q: A 200 Ω resistor is connected in series with a 4.00 μF capacitor and an ac source. The voltage…

A: Given, Resistance=200 Ω  Capacitance=4.00 μF  vR = (5.00 V) cos [(800 rad/s) t]

Q: If two electrons are each 1.50 x 10^(-10) m from a proton, find the magnitude and direction of the…

A: Write the given values with the suitable variables. r=1.5×10-10 mθ=65° Here, r is the distance and θ…

Q: 69. A converging lens has a focal length of 8.00 cm. (a) What are the image distances for objects…

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Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 15.0 N. When they are…

A: Determine the net resistance in series. Determine the net resistance in parallel.

Q: Determine the momentum of a car having mass 10 kg moving with a velocity 6 m/s

A: Given data :              Velocity   =    V               Mass      =     m        To find :…

Q: A battery provides emf (voltage), ε = 12 volts. it has an internal resistance Rinternal = .4, so you…

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Q: Vector A is 2.80 cm long and is 60.0° above the x-axis in the first quadrant. Vector B is 1.90 cm…

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Q: A stack of books of total mass 1.41kg is placed on a table as seen in A. It is then placed on a…

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Q: 8.) What is the linear acceleration of the falling 2kg mass in the figu attached to a 6kg solid disk…

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Q: Identify all true statements from the following. O The nucleus of an atom contains only neutrons. O…

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Q: riction happens either on the surface or in a viscous medium such as air or water. D True False

A: A statement is given. We need to find whether true or false.

Q: - For the following frame determine x2 at time t=0.35 sec. (k is the total stifee cory). W=120k…

A: Time=0.35sec

Q: a positively charged solid sphere is placed close to one end of a neutral metallic solid cube. (a)…

A: When a positively charged solid sphere is placed close to one end of a neutral metallic solid cube…

Q: A collision is elastic if; A the final momentum is zero. (B the objects stick together. (© the final…

A: The essential condition for an elastic collision is that the kinetic energy during the collision…

Q: A ball is thrown upwards with an initial velocity of 4.26 m/s. What is the highest point the ball…

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Q: A racing van has a unitorm acceleration of 15 m/s2. What distance will it cover in 8 seconds after…

A: Data we haveS=12(15m/s)(8s)2 S=12(960m)thereforeS=480m a=15m/s2  time ,t=8s To find distance ,s=?

Q: Question 2 A simple problem of pradical importance that ilustrates the nature of fricion is the…

A: Dear student The Static friction is termed as a self adjusting force. This friction acts when there…

Q: Problem 2. A pipe has length 1.80 m is open at one end and closed at the other end. What is the…

A: Given The given pipe is open and one end and closed at other. Length of the pipe is l=1.80 m   We…

Q: Jan and Len throw identical rocks off a tall building at the same time. The ground near the building…

A: Given : speed of Jan rocks = u m/s Speed of Len rocks = 2u m/s Angle Len throw rock = 30° Height of…

Q: Rigel, which is in the constellation of Orion, is 770 ly away. You plan a sight-seeing vacation for…

A: Given  d = 770 ly Light year (ly) is definined as distance travelled by light in a year . Speed of…

Q: The vibrational frequency of an HF molecule is 8.72 x 1013 Hz and the molecule is 1.589 x 1027 kg.…

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Q: You are waiting in line to use the diving board at your local pool. While watching people dive into…

A: According to Newton's third law, springing into air causes greater action force on the diving board,…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!