Please answer these questions well explained. Scientists observe an electron travelling at 0.98 c. A. Calculates the total energy of the electron, in MeV, as measured by the scientists. B. Determines the kinetic energy of the electron, in MeV, as measured by the Scientists.

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Q: A soccer player extends her lower leg in a kicking motion by a force with the muscle above the in…

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Q: The net energy requirement in a place was approximately 2.82 x 106 GWh. What is the equivalent of…

A: Given    The net energy requirement in a place was approximately 2.82 x 106 GWh. What is the…

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A: Given data:  Mass (m) = 67.1 kg Initial velocity (vi) = 4.30 m/s Final velocity (Vf) = 8.60 m/s…

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A: Given    A steel is 20 cm long at 20°C ,the coefficient of linear expansion for steel is 12× 10-6…

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A: Given: At t=0, initial temperature T=160°F, SBSA=2 (where SA and SB are the exposed surface area of…

Q: An object is located in water 12 cm from the vertex of a concave surface made of glass with a radius…

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Q: A Ferrari sports car can accelerate from rest to 81 km/h (about 60 mi/h) in 1.2 s. What is its…

A: Initial speed, u = 0 km/h = 0 m/s Final speed, v= 81 km/h = 22.5 m/s Time, t = 1.2 s

Q: 4. A plane travels on a bearing of 15° at an air speed of 655 km/h. It encounters a wind blowing at…

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Q: Q 20) A compound microscope consists of an objective lens with a focal length of (10 mm) and an…

A: Given : Focal length of objective lens (fo) = 10 mm = 1 cm Focal length of eyepiece (fe) = 2 cm Tube…

Q: The system in the figure is in equilibrium. A concrete block of mass 203 kg hangs from the end of…

A: Given : Mass of concrete block  (Mb) = 203 kg Mass of strut (Ms)= 57.1 kg φ = 29.7°θ= 62.4° Let the…

Q: Find the magnetic force acting on a charge Q =1.5 C when moving in a magnetic field of density B = 3…

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Q: a 0.400 kg ball is shot directly upward at initial speed 69.6 m/s. What is its angular momentum…

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Q: Two cars are heading straight towards each other with the same speed. the horn of one sounds at a…

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Q: Suppose a horse leans against a wall as shown in the figure. The total of the horse and rider is 500…

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Q: 7. The dimensions of a rectangular metal bar are 6 cm x 8 cm x 9 cm. density of the bar in gram per…

A: The density is given as  D = M/V = 4/(0.06x0.08x0.09) = 9260 kg/m3  Hence the first option is…

Q: In the figure, block 1 has mass m₁ = 460 g, block 2 has mass m₂ = 580 g, and the pulley is on a…

A: In the given question, Mass of block 1 = m1 = 460g = 0.46kg Mass of block 2 = m2 = 580g = 0.58kg…

Q: π →μ +V μ μ

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Q: Justin visits the Grand Canyon and drops a rock off the edge of a cliff. The rock falls 12 m the…

A: In the given qustion, Distance moved by rock in 1st second is 12m Distance moved by rock in 2nd…

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A: in this question  we discuss about relation between m , x , k and v .and then discuss about work…

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Q: 1-500 nm- mm 2-35nm-km 3- 25 GHz= KHz

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Q: Q/ In figure below, if the friction force between the cable and the pulley is negligible, determine…

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Q: A golf ball is hit at an angle of 32.5° above horizontal with a speed of 60 m/s. How high does it…

A: Given angle=32.4° Initial speed(u)=60 m/s Required

Q: Find the distance covered by car Speed=120 km/hr Time=2.4 hr

A: Given  Speed v=120km/hr Time t=2.4hr

Q: (middle C). The speed of sound in air at 20.0°C is 343 m/s. the Roles of a well-designed flute are…

A: Data we have speed of sound waves,v=343m/s frequency,f=261.6Hz To find the length of the flute…

Q: Consider two identical simple RC circuits each composed of a capacitor ( 2.31 mF), a resistor ( 28.2…

A: Given  resistance(R)=28.2 kilo ohm’s  capacitance(C)=2.31 mF voltage(V)=25.8 V

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Q: Six moles of an ideal gas are in a cylinder fitted at one end with a movable piston. The initial…

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Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.78 g coins…

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

Q: In the figure, two 7.60 kg blocks are connected by a massless string over a pulley of radius 1.60 cm…

A: a) Apply the second angular kinematic equation to determine the angular acceleration of the pulley.

Q: Q4/ A system consisting of two convex lenses, the focal length of the first is (cm (1) and the…

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Q: Q1/What weight W is necessary to start the system of blocks shown in the figure moving to the right?…

A: Draw the free-body diagram of the 30 kN block.

Q: TYPE ALL ANSWERS IN THE RESPONSE BOX QI. Understand the given case to be able to answer the…

A: It is given that for a certain material the temperature falls from To=104oF to T1=96.8oF in a time…

Q: The total electric flux through a closed surface in the shape of a cylinder is 8.60 x 104 N-m²/C.…

A: Given:-  The total electric flux through a closed surface is ϕ = 8.60 x 104 Nm2C Find:-  a) What is…

Q: A rocket takes off from Earth's surface, accelerating straight up at 59.2m / (s ^ 2) Calculate the…

A: In the given question, Mass of the astronaut (m) = 89.4kg Acceleration of rocket (a) = 59.2m/s2…

Q: car is moving at 20 m/s with its horn blowing at a frequency of 1200 Hz. It is chasing a second car…

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Q: QUESTION 1 Your mass is 88.2kg. When you stand on a trampoline it sags by 0.38 m. The trampoline…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: 1) Are the wave patterns for various values of Ao and Ak same? If not, why? 2) Comment on the Phase…

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

Q: A 67kg trampoline artist jumps vertically upward with a speed of 4.7m/s. If the trampoline, 3.7m…

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Q: A pulse radar is used to detect a target with an area of 10 m2 located at a distance of 120 km. If…

A: A pulse radar tells us about the distance to the target by calculating pulses timing and using…

Q: The position-time graph below depicts the motions of two objects, A and B. Which of the following…

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Q: The speed of transmission of sound waves is ○ Water > Air > Snow O Water > Snow > Air in the air in…

A: Speed of transmission of sound waves depends upon the elasticity and the density of the medium.…

Q: Q9) In the compound microscope, the intermediate image formed by the object is O Virtual, moderate…

A: Intermediate image Sequence of lenses arrangement in the optical system images established earlier…

Q: A 2.0-cmcm-tall object is located 7.0 cmcm in front of a converging lens with a focal length of 12.0…

A: Given data- Height of the object ho=2.0 cm Distance of the object do=7.0 cm Focal length f=12.0 cm

Q: . Find their average mass?

A: Given data;  Masses of five marbels are;   50g, 55g, 60g and 70g.  Find their average mass ?

Q: 3.) (Based on Neamen - Review Question 7.6) - Why does the depletion region width increase when a…

A: When P-region is connected to negative terminal and N-region to positive terminal of the battery,…