We start with some review problems A crate of mass 27.1 kg rests on a level surface, with a coefficient of kinetic friction 0.163. You push on the crate with an applied force of 201 N. What is the magnitude of the crate s acceleration as it slides?

Q: Find density of object of mass 280 kg which accupies space of 5 m3 ?

A: Given data :                        Volume     =     v                         Mass        =     m…

Q: What are the frequencies of the first four harmonics of middle C (261.6 Hz)= first Hz second Hz…

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Q: The frequency of G, on the piano is 196.0 Hz. (a) What is the wavelength (in m) of sound with this…

A: Given data as per question frequency   =196Hz

Q: If 54 J of work is needed to stretch a spring from 16 cm to 22 cm and another 90 J is needed to…

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Q: A particle travels along a path where y = 8x3. The particle increases height with y = 27t3 where t…

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Q: The velocity of an alpha particle, He2+, with a mass of 6.64×10−27kg changes from v1=(−0.30,…

A: If an object has mass 'm' and velocity 'v' then the kinetic energy of the object is given by:…

Q: The fact that light can be polarized and sound cannot be polarized can be best explained by which?…

A: Light is a Transverse wave by nature which means its direction of propagation is perpendicular to…

Q: 1. An object of height 5.00 cm is placed 6.00 cm in front of a converging lens having a focal length…

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Q: car, determir ns, and (c) its

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Q: What frequency sound (in Hz) has a 0.500 m wavelength when the speed of sound is 339 m/s?

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Q: A soldier rides on his horse slowly along a 12 m long drawbridge that passes over a canal as shown…

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Q: 3. The X-ray used by your dentist has a wavelength of 15 nm. What is the frequency? Your answer must…

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Q: Solve three of the following problems using dimensional analysis. a. Using the following rough…

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Q: OFind the potential and electric field at points on the axis of symmetry of a uniformly charged flat…

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Q: Q1/ In the equilibrium position shown in figure below, the uniform bar (AB) has a mass of (50 kg)…

A: For the uniform bar to be in equilibrium  Net torque about any point on the uniform bar, τnet =0Net…

Q: V1 A truck is traveling at 31 m/s when the brakes are fully applied causing the wheels to skid for 3…

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Q: Directions: Solve the following problems below. Show your complete solution. Use the Rubric as your…

A: Disclaimer:“Since you have asked multiple question, we will solve the first question for you. If you…

Q: (a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h, what is the percent…

A: a) Determine the percent uncertainty.

Q: A convex smooth surface will avoid focalization of sound energy. Select one: O True O False

A: From a convex surface, the sound will be reflected radially outwards.

Q: When nonmetric units we used in the United Kingdom, a unit of mass called the pound-mass (Ibm) was…

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Q: Given data : Wave speed 160 m/s Frequency 320 Hz Determine the wavelength II

A: Given data :                 Wave speed    =     v                  Frequency       =     f…

Q: A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What…

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Q: The velocity of an alpha particle, He²+, with mass m = 6.64×10-2"kg changes from %D = (-0.30,…

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Q: The reaction shown below has a Q value of 4.362 MeV. H + Be - B + n Determine the atomic mass (in u)…

A: Given data :   Atomic mass of Hydrogen (MH-2) = 2.0141 u   Atomic mass of Berillium (MBe-9) = 9.0122…

Q: The normal force is always directed Select all that apply. (Hint: The object in the possible answers…

A: Whenever two surfaces comes in contact with each their they start applying normal force on each…

Q: 0.25 m tall object is placed 0.41 m from a converging lens with a 0.11 m focal length. How tall is…

A: Given: The height of the object is 0.25 m. The location of the object is 0.41 m in front of the…

Q: A good-quality measuring tape can be off by 0.50 cm over a distance of 20 m. What is its percent…

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Q: 5. DETAILS KATZPSEF1 23.P.023. Two coins are placed on a horizontal insulating surface a distance of…

A: Given Data : The distance between the 2 charges is given as r = 2.9 m. The repulsive force between…

Q: its contents are insulated from the environment and have a final temperature of 38.0°C upon reaching…

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Q: 16. What is the magnitude of the linear acceleration? *

A: Given data :-  m1= 5kg m2= 4 kg R = 50 cm = 0.5 m Find:-  The linear acceleration of the system?…

Q: A 2.50 cm tall object is 36.0 cm from a concave mirror with f= 12.0 cm. Find the image height.

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Q: 5) You are looking at the fringe pattern on a screen produced by a laser beam passing through a pair…

A: Required : The effect on the fringe pattern.

Q: A galvanometer has a full-scale deflection current of 5 mA and an internal resistance of 40 N. It is…

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Q: Suppose the table below gives the velocity of a moving object at any time t. Note that ? measured in…

A: Area under v-t graph give you distance travelled by the object.

Q: 5. DETAILS KATZPSEF1 23.P.023. Two coins are placed on a horizontal insulating surface a distance of…

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Q: Consider the following Velocity vs Time graph shape. Select all the descriptions that match assuming…

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Q: 225 2025 The diagram above shows a conceptual model of a spherical star that generates and emits…

A: a) power generated in interior = volume of star  x power generated per unit cc…

Q: he velocity of an alpha particle, He2+, with a mass of 6.64×10−27kg changes from v1=(−0.30,…

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Q: A force with magnitude 45 N acts directly upward from the xy-plane on an object with mass 9 kg. The…

A: acceleration, a→=Fm→=45k^9=5k^ m/s2

Q: A ball is launched with an initial speed of 30 m/s making an angle of 45° above the horizontal. How…

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Q: An aircraft at an altitude of 1 Fires a projectile at a target 3 away. A)Find the initial velocity…

A: Given data:-  The altitude of the aircraft is h = 1125 m  The horizontal distance from the target is…

Q: simple pendulum with mass m = 1.2 kg and length L = 2.48 m hangs from the ceiling. It is pulled back…

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Q: In a given fluid, positive ions, each with 1 excess protons, move to the right at a steady rate of…

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Q: The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at…

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Q: A student in a lecture hall has 0.310 m^2 of skin (arms, hands, and head) exposed. The skin is at…

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Q: A ball is launched with an initial speed of 30 m/s making an angle of 45° above the horizontal. How…

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Q: dental hygienist uses a small concave mirror to look at the back of a patient's tooth. If the mirror…

A: The solution of this question is given below....

Q: A nuclear power station delivers 1 GW of electricity for a year from uranium fission. Given that a…

A: The data given in the question is,  1. Power, P=1 GW=109W 2. Energy delivered from single fission…

Q: A 15 kg stone slides down a snow-covered hill as shown in the diagram below. It leaves point A with…

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Q: A 0.844 kg spring with force constant equal to 75 N/m oscillates with simple harmonic motion along…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”