Find the equivalent resistance to the combination shown on the right. a 7.6 Ω 502 m 2202 9Ω 302 6Ω 4Ω 202 b

Q: Find velocity Momnetum-22.3 kg*m/s Mass=2 kg

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Q: Each a particle in a beam of a particles has a kinetic energy of 4.5 MeV. Through what potential…

A: The atomic number of the alpha particle is 2 and the atomic number of the gold is 79. Write the…

Q: Q10) The image is focused on the retina of the objects by Change the thickness of the lens change…

A: We need to comment on how the image is focused on the retina by the eye.

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: Which phenomena did Michael Faraday explore to help him invent the motor and the generator?   A.…

A: Michael Faraday designed an apparatus mercury bath which helped in transformation of electrical…

Q: The largest possible distance to achieve the line of sight for a system in which the height of the…

A: in this  question  we use simple pythagoras theory for getting ans.

Q: 12) An ideal gas occupies 6.00 x 102 cm³ at 20°C. At what temperature will it occupy 1.20 x 103 cm³…

A: Given  An ideal gas occupies 6.00× 102 cm3 at 20°C. At what temperature will it occupy 1.20×103 cm3…

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: Find the strength and direction of the force experienced by each charge depicted in the picture.…

A: Force experience is find by the  F=kq1q2r2r^ The electric field strength of the each charge is find…

Q: A sphere of mass 5.0 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

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Q: A rectangular surface of sides 10 cm and 15 cm is placed inside a uniform electric field of 25 V/m,…

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Q: An iron rod heated from 30 °C to 80 °C. The final length of iron is 39cm and the coefficient of…

A:

Q: 44) What is the change in entropy of the ice when a 0.050-kg ice cube at 0°C melts? The latent heat…

A: Given : m = 0.050 kg = 50 g T = 0°C = 0 + 273 = 273 K Lf = 80 cal/g

Q: A student presses a book between his hands, as figure A indicates. The forces that he exerts on the…

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Q: ock C starts from rest and moves downward with a constant acceleration. Knowing that after 10s the…

A: Acceleration The rate at which the speed of the movement of body changing with respect to time is…

Q: 9. (Target K1) You are sitting under a tree, enjoying a nice summer day. Unbeknownst to you, your…

A: height of friend above the ground = 3.5 m height of your head above the ground = 0.75 m the height…

Q: Compute the displacement Work done=77.88 J Force=23 N

A: Given data : Force=F Work done=W   Required : Displacement

Q: A horizontal force of 93.2N is applied to a 42.5 kg crate on a rough level surface. If the crate…

A:

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: A vacuum of 42 kPa is measured in an airflow at sea level where the ambient pressure is 101.3 kPa.…

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Q: 11. Consider the last drawing shown above. If the force has a magnitude of 100 N and is applied at…

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Q: reduce the of sound by 25%. How far bac must you sit in order to hear the

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Q: which of the following speeds is the fastest? a. 4.2 ' 10^-2 km/s b. 1.4 ' 10^2 km/s c. 4.0 '…

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Q: a noise level meter reads the sound level in a room to be 85 dB. What is the intensity of sound in…

A: Given sound level 85dB We know sound level in dB is  dB=10log( I/I0) where l is intensity of sound…

Q: A steel is 818 cm long at 20 °C. The coefficient of linear expansion for steel is 12 x 10-6 (Cº)-¹.…

A: Original length of steel(L0) =818 Cm Temperature Initial (Ti) =20°C Linear expansion of steel(Alph)…

Q: The horizontal surface on which a 2 kg block slides is frictionless. The speed of the block before…

A:

Q: Q18) A sample of bone tissue with a density of (1.8 g/cm3). Calculate the speed of ultrasound that…

A: Given : Density = 1.8 g/cm3 =1.8×10-310-2×3= 1800 kg/m3 Acoustic Impedance = 7.38*106 kg.m-2s-1

Q: Three containers of different shapes, as shown in the figure Each container is known by the year,…

A: pressure only depends on the ,density, acceleration due to gravity  and height of the liquid  it 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: Given information: The mass of the blocks: m1=460 gm2=580 g The radius of the pully (R) = 5.3 cm The…

Q: Suppose that a father is 23.00 y older than

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Q: Ironman, a genius in a robotic suit with a total mass of 962.1 kg, flies forward horizontally at a…

A: Total mass of ironman with his suit (m) = 962.1 kg initial speed of ironman (u) = 40.1 m/s mass of…

Q: According to Hertz frequency formula, which of the following is correct? Frequency = C * Wavelength…

A: Required: Hertz frequency formula

Q: period is the distance between two similar points in successive identical cycles in a wave. a. true…

A: Given    a period is the distance between two similar points in successive identical cycles in a…

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

A: Given angle=32.5° Initial speed (u)=60 m/s Required Range(horizontal distance traveled) of…

Q: 1) A vertical tube open to the atmosphere connected to a vein in the arm of a sick person as shown…

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Q: Q/ If F1 = 250 N and F2 = 375 N are two forces, the angle between F1 and the positive y-axis is…

A: given F1 =250 N 300 from positive y axis  hence vector form of F1 is  F1 →=250sin30 i +250cos 30…

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…

Q: Compute momentum Mass=22 kg Velocity=0.04 m/s

A: We know thatP=mvWhereP=momentumm=massv=velocity

Q: Find the ratio of the intensities of sound waves if one is 8 dB louder than the other.

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Q: π →μ +V μ μ

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Q: A long pair of wires serves to conduct 38 A of dc current to (and from) an instrument. If the wires…

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Q: 39) A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the efficiency of…

A: Heat recevied by the engine Q1 = 7000 JHeat rejected by the engine Q2 = 3000 JWork done by engine W…

Q: Using energy considerations and assuming negligible air resistance, show that a rock thrown from a…

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Q: A cell phone battery uses chemistry to create a charge separation between the terminals (anode and…

A: a) Write the expression for the charge and substitute the required values to determine the number of…

Q: 4. Rank the torques in order from largest to smallest: A: mass mo, radius ro B: mass 2mo, radius ro…

A: Given  Rank the torque in order from largest to smallest.  A.. mass m0 radius r0  , force F0 B..…

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: :(V = ₂*) The function of the forces that accompany the potential function (potential energy) (iky…

A: We have a particle whose potential energy function i given by V=kxy/z2 where k is some constant. We…

Q: QUESTION 4 There are two horizontal forces on the 1.7 kg box in the overhead view of the figure but…

A: Given data:  Mass (m) = 1.7 kg F1 = 20 N Acceleration (a) = -13 m/s2 Required: Second force (F2)

Q: How much work must be done to increase the speed of an electron from rest to (a) 0.436c, (b) 0.967c,…

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Q: Each a particle in a beam of a particles has a kinetic energy of 4.5 MeV. Through what potential…

A: The given problem belongs to the phenomenon of photoelectric effect. The photoelectric effect is the…