. Supposed that a A 55-kg boy jumps from a 2.8m tall tree then lands on the ground. Calculate the impulse experienced by the 55kg boy.

Q: An object is placed 12.0 cm to the left of a lens. divergent with a focal length of 6.00 cm. a…

A: For diverging lens: Object distance, u = -12.0 cm Focal length, f = -6.00 cm    (sign convention)…

Q: 2. 1. Add the two waves by using the principle of superposition. O O Interference pattern created by…

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Q: 2. A dog runs 100m away from its master in a straight line in 9.0s, and then runs halfway back in…

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Q: Compute the momentum of a car having mass 340 kg moving with a velocity 34 m/s.

A: given - mass of car , m = 340 kg               velocity of car v = 34 m/s  to find - momentum , p

Q: 1) After a projectile is launched in the air, in which direction does it experience constant,…

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Q: 01: Suppose a force F proportional to Energy; Velocity; and time. Find the formula of the orce…

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Q: 8.) (Based on Neaman, Problem 4.55) - Silicon at T = 300K is doped with acceptor atoms at a…

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Q: Shown below is a current loop in top view. What is the direction of the magnetic field at the center…

A: Given Current is in clockwise direction  To find  direction of magnetic field at the centre of the…

Q: 1) Doubling the voltage source connected to a resistor a) decreases the current passing through the…

A: 1. On doubling the voltage source connected to resistor we need to tell what happens to the current…

Q: Example 2: Water is going to be pumped between point A and B as shown in Figure below. Calculate the…

A: Write the expression of flow rate. Q=Av=π4D2vA

Q: wath will be the potential energy of 4 Kg height of 12m. [Take g = 10 m/s² ] mass kept art

A: Write the given values with the suitable variables. m=4 kgh=12 mg=10 m/s2 Here, m is the mass, h is…

Q: A solid wooden spherical body 1.2 m in diameter and of mass 600 kg, rolls without slipping down an…

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Q: 21. A box of mass 10 kg is connected to a spring and oscillates with an amplitude of 0.1 meters.…

A:

Q: Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high…

A: Write the equation of the temperature in terms of time.

Q: A statue is crated and moved for cleaning. The mass mm of the statue and crate is 150kg150kg. As the…

A: Draw the free-body diagram of the statue.

Q: A 12.0 V power supply is connected to 4 resistors as shown. What is the potential difference, V4,…

A: R1  = 15 ohm R2 = 10 ohm R3= 25 ohm R4 = 30 ohm V = 12 volts

Q: Given the circuit below. Determine the value of the voltage source is the power dissipated by the…

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Q: A power source is providing a constant voltage, V, to the circuit shown below. 5.092 W 1092 7.092 If…

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Q: What is voltage and what is it measured in? What is current and what is it measured in? What is…

A: Voltage is the difference in electric potential between two points. In other word it is the pressure…

Q: In geometric optics, a straight line emerging from a point is called a (an) focal point ray image…

A: Question 1) A straight line emerging from a point is called a ray    Question 2) Image formed is…

Q: Macoy walked towards Len-Len's house with a displacement of 100 meters 40° N of W. Which of the…

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Q: A small rocket with mass 20.0 kg is moving in free falltoward the earth. Air resistance can be…

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Q: Sinusoidal water waves are generated in a large ripple tank. The waves travel at 20 cm/s and their…

A: Given:speed of the wave, v = 20 cm/sdistance between adjacent crests, d = 5.0 cmAsked:time period of…

Q: A solid silver piece is immersed in water contained in a measuring cylinder. The level of water…

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Q: A nearsighted person has a far point of 66 cm. Determine the power of the contact lens they need.…

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Q: A rocket is fired vertically with constant acceleration of 120 ft/s2 for 3 min. Its fuel is then…

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Q: Sajjad and Rohan are experimenting with water. They create a heat engine where the hot reservoir is…

A: TH = 373 K  TC = 273 K

Q: A woman climbs a ladder against the side of the building and wants to climb 3/4 of the way to the…

A: Friction  force between building and ladder = 0 But friction force between ladder and ground = f g =…

Q: A bunch of keys was thrown directly upward by Macoy, who is looking out of the window, to be caught…

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Q: earthquake 60 kmkm from a city produces P and S waves that travel outwards at 5000 and 3000 m/sm/s,…

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Q: The equation for loop 12 using Kirchhoff's Voltage Law will yield the magnitude for R equal to i₁ =…

A:

Q: 1. An AC source with a frequency of 60 Hz is connected to a lightbulb. The instantaneous brightness…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Jimin applies a coating on a piece of glass to reduce its reflectivity when light with a frequency…

A: Determine the wavelength of the light.

Q: Wael and Arthur observe a puddle of water on the street after a rare rain. They realize there is a…

A: this is question of refraction of light.

Q: A ball is thrown at 20.0 m/s inside a box car moving along the tracks at 40.0 m/s. Wh is the speed…

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Q: Discuss why it is relatively easy to change the amplitude of an AC voltage to a higher or lower…

A: Given that- it is relatively easy to change the amplitude of an AC voltage to a higher or lower…

Q: What is the color used to code a resistor having a maximum resistance value of 78 k2 at 20%…

A: for a 4 band color resistor  final band is for tolerance , hence from given resistance tolerance is…

Q: Faraday and many other scientists expected that there should be a certain symmetry between electric…

A: Required : Is there such a thing as magnetic charge.

Q: If A = 8.0 i 4.0 j and B = 12 i 6.0 j, which of the following is the equation that relates A and B?…

A: Given: A=8i-4jB=12i-6j

Q: Which of the following is a false statement? O Light travels very much faster than sound. "Pitch"…

A: From above options we have to answer which one is false.

Q: Len-Len walked 50 m. South and then 100 m. East. What is her displacement in polar coordinate form?…

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Q: The work function of unknown metal surface is = 7.54 eV, find the minimum wavelength that light must…

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Q: In Situation 3, What is the total resistance? R₁ - 15.09 ww 12.0 V W R, = 10.0 Ω -R3 - 25.0 22 R₁ -…

A:

Q: An airplane travels 300 m. down the runway before taking off. If it accelerates uniformly and…

A: An airplane travels S=300 m. down the runway before taking off. It accelerates uniformly and becomes…

Q: What is the sum of the following vectors? Show your solution ?=3?+5?−2?   ???    ?=−4?+2?+3?

A: Given vectors are,  A = 3i + 5j - 2k And B = - 4i + 2j + 3k The sum of the given two vectors is,  S…

Q: Anobject is moving in a straight line with constant acceleration. initially it is traveling at…

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Q: Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given…

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Q: he velocity (v) in metres per second of an object in terms of the time (t) in seconds is given by:…

A: Given: The equation of the velocity of the object is. v=-10t2+9…

Q: A car making a 100 km journey covers the first 50 km. at 40 km/h. How fast must it cover the second…

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Q: A 24.0 kg beam of length L = 35.1 m is attached at an angle of θ = 36.40 to the side of a building.…

A: Consider the free body diagram for the given situation Net torque at the end point is considered to…